2017-2020 Volkswagen Golf 4 Door Tires and wheels -> Important information on tires and wheels User Manual
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Tires and wheels -> Important information on tires and wheels for Your Volkswagen Golf 4 Door Seventh Generation (2017-2020)

reinstalled or replacement wheels and tires are identical to those that were removed and even if the tire pressure does not change.  
The Tire Pressure Monitoring System stops working if there is an ESC/ABS malfunction ⇒ Braking assistance systemsꢀ.  
After a low tire pressure warning, the vehicle must stand and must not be driven for at least 1 minute before the new benchmark tire pressures can be stored.  
Important information on tires and wheels  
Introduction to the subject  
In this chapter you will find information on the following subjects:  
⇒ Tire and wheel handlingꢀ  
⇒ Wheel rimsꢀ  
⇒ New and replacement tiresꢀ  
⇒ Tire inflation pressureꢀ  
⇒ Tire inflation pressure in cold tires ꢀ  
⇒ Tread depth and tread wear indicatorsꢀ  
⇒ Tire wear and damageꢀ  
⇒ Spare wheel or compact spare wheel ꢀ  
⇒ Tire labelingꢀ  
⇒ Winter tiresꢀ  
⇒ Snow chainsꢀ  
⇒ Glossary of tire and loading terminologyꢀ  
⇒ Tires and vehicle load limitsꢀ  
⇒ Determining the correct load limit ꢀ  
⇒ UTQG classificationꢀ  
Volkswagen recommends that all work on tires and wheels be done by an authorized Volkswagen dealer or authorized Volkswagen Service Facility. They are  
familiar with the technical requirements and recommended procedures, have the necessary special tools and spare parts, and can properly dispose of old tires.  
WARNING  
New tires or tires that are old, worn or damaged cannot provide maximum control and braking performance.  
Improper care and handling of tires and wheels can reduce driving safety and cause accidents and severe injuries.  
Install only radial tires of the same make, the same dimensions (tread circumference), and similar tread profile on all 4 wheels.  
New tires tend to be slippery and must be broken in. Always drive with special care for the first 350 miles (560 km) to help reduce the risk of losing control, a  
collision, and serious personal injuries.  
Check tire inflation pressure regularly when the tires are cold and always maintain the prescribed tire pressure. Low tire pressure can cause tires to get too  
hot, resulting in tread separation, sudden loss of pressure, and blowouts. Tires with excessively low pressure flex (bend) more, which can cause the tire to  
overheat and fail suddenly without warning.  
Check tires regularly for wear and damage.  
Never drive with worn or damaged tires (for example, tires with punctures, cuts, cracks, blisters, or bumps). Driving with worn or damaged tires can lead to  
loss of vehicle control, sudden tire failure including blowouts and sudden deflation, crashes, and serious personal injuries.  
Have worn or damaged tires replaced immediately.  
Never exceed the maximum speed rating or the maximum load rating of the tires on your vehicle.  
The effectiveness of the driver assistance systems and the braking support systems depends on the tire traction.  
If you notice unusual vibration or if the vehicle pulls to one side when driving, always stop as soon as it is safe to do so and check the wheels and tires for  
damage.  
305  
To reduce the risk of losing control, crashes, and serious personal injuries, never loosen the bolts on wheels with bolted rim rings.  
Never mount used tires on your vehicle if you are not sure of their past use. Old, used tires and wheels may have damage that cannot be seen that can  
lead to sudden tire failure and loss of vehicle control.  
Tires age even if they are not being used and can fail suddenly, especially at high speeds, causing loss of vehicle control, accidents, and severe personal  
injuries. Tires that are more than 6 years old can be used only in an emergency and even then only with special care and at low speed.  
For technical reasons it is usually not possible to use wheel rims from other vehicles. Even wheel rims from the same model may not fit properly. Check with  
an authorized Volkswagen dealer or authorized Volkswagen Service Facility if necessary.  
Tire and wheel handling  
Fig. 217 Tire rotation diagram.  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Tires may be the least appreciated and most abused parts of a motor vehicle. Tires are very important, since their small patches of rubber are the only contact  
between your vehicle and the road.  
Maintaining correct tire pressure, making sure that your vehicle and its tires do not have to carry more weight than they can safely handle, and regularly inspecting  
tires for damage (such as cuts, slashes, irregular wear, and overall condition) are the most important things that you can do to help avoid sudden tire failure,  
including tread separation and blowout.  
The tires and wheels are essential parts of the vehicle's design. The tires and wheels approved by Volkswagen are specially matched to the characteristics of the  
vehicle for good road holding and safe handling when in good condition and properly inflated.  
Avoiding tire damage  
If you must drive over a curb or other obstacle, drive very slowly and as much as possible at a right angle to the curb with the tire tread of both front wheels  
contacting the curb at the same time.  
Regularly check tires for damage, such as punctures, cuts, tears and blisters.  
Remove embedded material in the tread profile that has not yet penetrated the inside of the tire ⇒ Tire wear and damageꢀ.  
Heed all warning messages from the Tire Pressure Monitoring System (TPMS) ⇒ Tire Pressure Monitoring System (TPMS)ꢀ.  
Replace worn or damaged tires immediately ⇒ Tire wear and damageꢀ.  
Damage to tires and wheels is often not readily visible. If you notice unusual vibration or the vehicle pulls to one side, this may indicate that one of the tires is  
damaged. The tires must be checked immediately for hidden damage by an authorized Volkswagen dealer or an authorized Volkswagen Service Facility. See  
also ⇒ Tire wear and damageꢀ.  
Never exceed the load and permissible maximum speed rating of the tires ⇒ Tire labelingꢀ.  
Always keep aggressive chemicals including grease, oil, gasoline and brake fluid off the tires, including the compact spare wheel  
Replace missing valve caps immediately.  
⇒
ꢀ.  
Unidirectional tires  
Unidirectional tires are designed to rotate only in one direction. Unidirectional tires have arrows on the sidewalls that show the direction of rotation ⇒ Tire labelingꢀ  
Unidirectional tires must always be mounted according to the specified direction of rotation in order to deliver their best grip, braking performance, low road noise,  
and good wear as well as good hydroplaning resistance.  
If you have to mount a tire opposite to its proper direction of rotation, you must drive more carefully, since the tire is no longer being used as designed. This is  
particularly important on wet roads. You must replace or remount the tire as soon as possible in order to restore the correct direction of rotation.  
Rotating tires  
To help ensure even wear on all tires, regular tire rotation according to the diagram ⇒ Fig. 217ꢀ is recommended. In this way all tires can have about the same  
service life.  
Volkswagen recommends that you have your tires rotated by an authorized Volkswagen dealer or authorized Volkswagen Service Facility.  
306  
Tires more than 6 years old  
Tires age even if they are not being used. Physical and chemical processes reduce tire strength and performance and cause them to harden and become brittle.  
Old tires can fail suddenly and without warning.  
Volkswagen recommends replacing tires that are 6 years and older. This also applies to tires that look new (including the tire on the compact spare wheel) or that  
seem to still be usable with tread depth that has not yet reached the legal minimum depth ⇒ ꢀ.  
The age of each tire can be determined with the manufacturing date that is part of the U.S. DOT tire identification number ( TIN) ⇒ Tire labelingꢀ.  
Tire storage  
Mark tires before removing them to help make sure that the previous location (left, right, front, rear) and rolling direction can be maintained when remounting them.  
Store tires in a cool, dry and preferably dark place. Do not store tires mounted on wheels standing up.  
Tires not mounted on wheels should be covered to help protect them from dirt and stored vertically (sitting on the tread).  
Lower profile tires (low aspect ratio tires)  
Lower profile tires have a wider tread surface, larger rim diameter, and lower sidewalls than conventional wheel/tire combinations  
⇒
ꢀ. Lower profile tires can  
improve the vehicle’s handling and precision. They may, however, result in a less comfortable ride, for example, on uneven road surfaces.  
WARNING  
Aggressive fluids and materials can cause visible and invisible tire damage that can cause tire blowouts.  
Always keep chemicals, oils, grease, fuels, braking fluids and other aggressive substances away from tires.  
WARNING  
Tires age even if they are not being used and can fail suddenly, especially at high speeds, causing loss of vehicle control, accidents, and severe personal  
injuries.  
Tires that are more than 6 years old can be used only in an emergency and even then only with special care and at low speed.  
NOTE  
Tires and rims, especially lower profile tires and their rims, can be severely damaged and even destroyed by driving through potholes or over curbs and other  
obstacles.  
Always dispose of old tires in accordance with legal requirements.  
Wheel rims  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
The design of the wheel bolts is matched to the factory-installed wheels. If different wheels are installed, wheel bolts with the right length and bolt head shape must  
be used. This helps to ensure that wheels can be mounted securely and that the brakes will work correctly ⇒ Changing a wheelꢀ.  
In most cases, you cannot use wheel bolts from a different vehicle. Even wheel rims from the same model may not fit properly.  
Tires and wheel rims approved by Volkswagen have been matched precisely to your vehicle model and contribute considerably to good handling and safe vehicle  
performance.  
Tightening torque  
Wheel bolts must always be installed with the correct tightening torque ⇒ Changing a wheelꢀ. The required tightening torque for your vehicle's wheel bolts is 88 ft-  
lbs (120 Nm). After changing a wheel, the bolt torque must be checked as soon as possible with an accurate torque wrench. See an authorized Volkswagen dealer  
or an authorized Volkswagen Service Facility.  
Wheel rims with bolted rim rings  
Wheel rims with bolted rim rings have several parts. The parts are bolted together with special screws in a special process. This helps to ensure that they will work  
properly, prevent leaks, run true and safely. Damaged wheel rims must be replaced, and you must never take them apart or try to repair them yourself. Have an  
authorized Volkswagen dealer or an authorized Volkswagen Service Facility repair them for you ⇒ ꢀ.  
Wheel rims with bolted decorative covers  
Light-alloy wheels may have interchangeable decorative covers attached to the rim with self-locking screws. If you want to replace damaged wheel covers, contact  
your authorized Volkswagen dealer or an authorized Volkswagen Service Facility ⇒ ꢀ.  
WARNING  
307  
Using improper or damaged wheel rims can affect driving safety, cause accidents and severe personal injury.  
Use only wheel rims approved for the vehicle.  
Regularly check wheel rims for damage and replace them if necessary.  
WARNING  
Improper loosening and tightening of the bolts on wheel rims with bolted rim rings can cause accidents and severe personal injury.  
Never loosen bolted connections on wheel rims with bolted rim rings.  
Have all work on wheel rims with bolted rim rings performed by an authorized Volkswagen dealer or authorized Volkswagen Service Facility.  
New and replacement tires  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
New tires  
Drive a vehicle with new tires especially carefully for the first 350 miles (560 km) because the tires must first be broken in. Tires that are not broken in have  
reduced traction and braking performance ⇒ ꢀ.  
Install only radial tires of the same make, the same dimensions (tread circumference), and similar tread profile on all 4 wheels.  
The tread depth of new tires can differ between tire models and manufacturers because of different design features and tread design.  
Replacing tires  
Tires should be replaced in pairs and not individually (both front tires or both rear tires at the same time)  
⇒
ꢀ.  
Replace tires only with tires that have the same specifications, including width and diameter, load and top speed rating as the tires approved by Volkswagen for  
your vehicle and model.  
Never use tires that are larger or wider than the dimensions of the tires approved by Volkswagen for your vehicle and model. Larger tires could scrape and rub  
on the vehicle body or other parts of the vehicle.  
Tire Pressure Monitoring System (TPMS) considerations: The Tire Pressure Monitoring System (TPMS) must be recalibrated whenever you remove and  
remount or change any wheel or tire on the vehicle, even if the reinstalled or replacement wheels and tires are identical to those that were removed and even if the  
tire pressure does not change ⇒ Tire Pressure Monitoring System (TPMS)ꢀ.  
WARNING  
New tires tend to be slippery and must be broken in.  
Always drive with special care for the first 350 miles (560 km) to help reduce the risk of losing control, a collision, and serious personal injuries.  
WARNING  
Tires must have the required clearance. Tires that do not have enough clearance can rub against parts of the vehicle body, suspension, and brake system,  
causing brake system failure, tread delamination, and sudden blowouts.  
Always make sure that new tires are not larger than the tires approved for your vehicle and that the new tires do not rub against parts of the vehicle.  
NOTE  
When switching to different tires, make certain the valves are not damaged.  
Never drive without valve stem caps. The valves could be damaged.  
Always dispose of old tires in accordance with legal requirements.  
If the replacement wheel is different from the tires that you have mounted on your vehicle — for example, winter tires, wider, low-profile tires, or a compact  
spare — only use the replacement wheel for a short time and drive cautiously.  
Replace it with a tire matching the others on your vehicle as soon as possible.  
Although tire size specifications can be the same, the actual dimensions may differ from those nominal values for different tire makes, or the tire contours  
may be significantly different.  
Tire inflation pressure  
308  
Fig. 218 On the driver door jamb: Location of the tire inflation pressure label.  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
The correct tire inflation pressure for the factory-installed tires is listed on a label. The factory-installed tires may be summer, winter, or all-season tires. The label  
⇒ Fig. 218ꢀ is on the driver door jamb.  
Under- or over-inflation significantly shortens the service life of your tires and affects the handling of the vehicle  
⇒
ꢀ. The correct tire pressure is very important,  
particularly when the vehicle is driven at higher speeds. Incorrect tire pressure causes increased wear and even sudden tire failure and blowouts.  
Therefore, tire pressure should be checked at least once a month and always before long trips.  
The specified tire inflation pressure applies to a cold tire. When tires are warm, the pressure will be higher than when the tires are cold.  
Do not reduce the tire pressure on warm tires to match the required cold tire inflation pressure. The tire inflation pressure would then be too low and could cause  
sudden tire failure and blowout.  
Checking tire inflation pressure  
Always check the tire pressure only on cold tires when the vehicle has not been driven more than a couple of miles (kilometers) at low speed within the last 3 hours  
Check tire inflation pressure regularly and on cold tires. Check all the tires, including the compact spare, if any. In colder climates tire pressure should be  
checked more often, but only when the tires are cold. Always use an accurate tire pressure gauge.  
After adjusting the tire inflation pressures, make sure to screw the valve caps back on; replace missing valve caps immediately. Please read and heed the  
information on resetting the Tire Pressure Monitoring System (TPMS), if necessary ⇒ Tire Pressure Monitoring System (TPMS)ꢀ.  
Remember that the vehicle manufacturer, not the tire manufacturer, determines the correct tire pressure for the tires on your vehicle. Never exceed the  
maximum inflation pressure listed on the tire sidewall for any reason.  
Inflate a spare wheel to the pressure specified for the vehicle's road wheels on the tire pressure label; inflate a compact spare wheel to the pressure specified f  
the compact spare on the tire pressure label or on a separate label for the compact spare, if there is one.  
WARNING  
Incorrect tire pressure can cause a sudden tire failure or blowout, loss of control, collision, serious personal injury, and even death.  
Always inflate tires to the recommended and correct cold tire pressure before driving off.  
Low tire pressure can cause tires to get too hot, resulting in tread separation, sudden loss of pressure, and blowouts. Tires with excessively low pressure  
flex (bend) more, which can cause the tire to overheat and fail suddenly without warning.  
Excessive speed and/or overloading can cause heat buildup, sudden tire failure including a blowout and sudden deflation and loss of control.  
If the tire pressure is too low or too high, the tires will wear prematurely and the vehicle will not handle well.  
Regularly check tire inflation pressure, at least once a month, and also especially before a long trip.  
Check the pressure in all 4 tires when the tires are still cold. Never reduce air pressure in warm tires to match cold tire inflation pressure.  
NOTE  
Make sure not to jam the tire pressure gauge into the valve stem. Otherwise, you can damage the tire valves.  
Driving without valve caps, with the wrong valve caps, or with valve caps that are not properly screwed on can damage the tire valves. To help prevent  
damage, always use valve stem caps like those originally installed at the factory. The caps must be screwed on tightly. Do not use metal valve caps or  
comfort valve stem caps.  
Underinflation increases fuel consumption.  
When the TPMS warns that the pressure in at least one tire is too low, check the tire pressure in all 4 tires with an accurate tire pressure gauge. Low tire  
pressure usually cannot be spotted by looking at the tire. This is especially true for low-profile tires. When checking the tire pressures, refer to ⇒ Tire Pressure  
Monitoring System (TPMS)ꢀ.  
Tire inflation pressure in cold tires  
309  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Standard tire pressure  
Model and engine  
Tire size  
(full load)  
kPa  
psi  
32  
bar  
2.2  
195/65 R15 91H  
205/55 R16 91H  
225/45 R17 91H  
225/40 R18 92H XL  
225/45 R17 91W  
225/45 R17 91H  
225/40 R18 92H XL  
225/40 R18 92Y XL  
225/40 R18 92H XL  
220  
220  
220  
240  
240  
240  
260  
260  
260  
Golf  
32  
32  
35  
34  
34  
38  
38  
38  
2.2  
2.2  
2.4  
2.4  
2.4  
2.6  
2.6  
2.6  
(170 hp/125 kW)  
Golf GTI  
(220 hp/162 kW)  
Golf R  
235/35 R19 91Y XL  
39  
270  
2.7  
(292 hp/215 kW)  
The Tire Pressure Monitoring System (TPMS) is configured at the factory with the correct tire inflation pressure applicable for the vehicle model, engine and factory  
installed tires. The tire inflation pressure is listed on the tire inflation pressure label on the driver door jamb ⇒ Fig. 218ꢀ. The tire inflation pressures for the road tires  
are listed on this label. The inflation pressure for the compact spare is as specified on the tire pressure label or on a separate label for the compact spare, if there is  
one. In the event of a discrepancy between the above figures and the tire pressures listed on the tire inflation pressure label, the pressures listed on the label are th  
ones you should use. The listed pressure applies to all road tires. The Tire Pressure Monitoring System (TPMS) must be recalibrated whenever you change or  
adjust the cold tire inflation pressures or remove and remount or change any wheel or tire on the vehicle, even if the reinstalled or replacement wheels and tires are  
identical to those that were removed and even if the tire pressure does not change ⇒ Tire Pressure Monitoring System (TPMS)ꢀ.  
Tread depth and tread wear indicators  
Fig. 219 Tread pattern: Wear indicator.  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Tread depth  
Most driving situations require as much tread depth as possible and similar tread depth for the tires on the front and rear wheels. This is especially true when driving  
in winter weather, at low temperatures and under wet conditions ⇒ ꢀ.  
In most countries the legally permissible minimum tread depth is 1/16 in. (1.6 mm), as measured in tread grooves next to the wear indicators. Please be sure to obe  
country-specific legal requirements.  
Winter tires are no longer suitable for winter operation once the tread pattern is worn down to a depth of 3/16 in. (4.8 mm).  
The tread depth of new tires can differ between tire models and manufacturers because of the different design features and tread patterns.  
Make sure to use snow chains when required and to install them only on the approved tire and rim combinations ⇒ Snow chainsꢀ.  
Tread wear indicator (TWI) in the tire  
310  
The 1/16 in. (1.6 mm) high wear indicators are molded into the bottom of the tread grooves of the original tires running across the treads ⇒ Fig. 219ꢀ. Several wea  
indicators are evenly spaced around the tire. Markings on the sides of the tires (for example TWI or symbols) show the position of the wear indicators.  
Wear indicators show when the tires are worn down. The tires must be replaced no later than when the tread pattern is worn down to the wear indicators.  
WARNING  
Worn tires are dangerous and can cause loss of vehicle control including serious personal injuries.  
Never drive a vehicle when the tread on any tire is worn down to the wear indicators, replace them sooner.  
Worn tires do not grip the road properly, especially on wet roads, increasing your risk of hydroplaning and loss of control.  
Worn tires reduce the ability of your vehicle to handle well in normal and difficult driving situations and increase braking distances and the risk of skidding.  
Tire wear and damage  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Wheel rim and tire damage is often difficult to see. Unusual vibrations or pulling to one-side can be an indication of tire damage ⇒ ꢀ.  
If you suspect tire damage, immediately reduce speed!  
Check tires and wheel rims for damage.  
If a tire is damaged, do not drive any farther. Get expert assistance.  
If no external damage is visible, slowly and carefully drive to the nearest authorized Volkswagen dealer, authorized Volkswagen Service Facility, or other  
qualified workshop and have the vehicle checked.  
Objects embedded in the tire  
If embedded objects have penetrated to the inside of the tire, do not remove them! If objects are stuck in the tread grooves of the tire, they can be removed.  
With a spare wheel: If necessary, change the damaged wheel ⇒ Changing a wheelꢀ. If necessary, get professional assistance to change the wheel.  
With the tire mobility set: If necessary, seal and inflate the damaged tire with the tire mobility set ⇒ Tire mobility set (Golf R)ꢀ. Get assistance from an  
authorized Volkswagen dealer, an authorized Volkswagen Service Facility, or another qualified workshop.  
Check tire pressure and adjust if necessary.  
Tire wear  
Tire wear depends on several factors, including:  
Driving style.  
Unbalanced wheels.  
Wheel alignment.  
Driving style – Fast cornering, hard acceleration and braking increase tire wear. If you experience increased tire wear under normal driving conditions, have the  
vehicle suspension checked by an authorized Volkswagen dealer or an authorized Volkswagen Service Facility.  
Unbalanced wheels – The wheels on a new vehicle are balanced. When driving, however, various conditions can cause a wheel to become unbalanced.  
Unbalanced wheels can cause wear to the steering and suspension systems. Have all wheels rebalanced. A wheel must always be rebalanced if a new tire has  
been mounted.  
Wheel alignment – Incorrect wheel alignment causes excessive and uneven tire wear, impairing vehicle safety. If you notice excessive or uneven tire wear, have the  
wheel alignment checked by an authorized Volkswagen dealer or an authorized Volkswagen Service Facility.  
WARNING  
Unusual vibrations or pulling to one side can indicate tire damage.  
Reduce speed immediately and stop when it is safe to do so.  
Check tires and wheel rims for damage.  
Never drive with a damaged tire or rim. Get expert assistance instead.  
If no external damage is visible, slowly and carefully drive to the nearest authorized Volkswagen dealer, authorized Volkswagen Service Facility, or other  
qualified workshop and have the vehicle checked.  
Spare wheel or compact spare wheel  
311  
Fig. 220 In the luggage compartment: Handwheel holding the spare wheel in place (if equipped).  
Fig. 221 In the luggage compartment: Compact spare wheel (if equipped, label design may vary).  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Your vehicle may be equipped with a spare, a compact spare wheel, or a tire mobility set. For more information on the tire mobility set, see: ⇒ Tire mobility set  
(Golf R)ꢀ.  
Removing the spare wheel or compact spare wheel (if applicable)  
Open the trunk lid and remove the variable luggage compartment floor ⇒ Variable luggage compartment floorꢀ.  
Pull the securing clip ⇒ Fig. 220①ꢀ (if equipped) out and up.  
Completely unscrew the handwheel in the center of the spare wheel ② or compact spare wheel ⇒ Fig. 221ꢀ counterclockwise.  
If applicable, remove the subwoofer ⇒ Removing the subwooferꢀ.  
Remove the spare wheel.  
Stowing the replaced wheel  
Open the trunk lid and remove the variable luggage compartment floor ⇒ Variable luggage compartment floorꢀ.  
If the wheel you took off the vehicle fits in the spare wheel well, position it so that the center hole of the rim is aligned with the threaded pin in the center of the  
well.  
Turn the handwheel ⇒ Fig. 220②ꢀ clockwise until the wheel is securely in place.  
Insert the securing clip ① (if equipped) in the stud slot so that the handwheel can no longer be turned.  
If necessary, return the vehicle tool kit to its location in the luggage compartment.  
Reinstall the variable luggage compartment floor in the luggage compartment.  
Close the trunk lid.  
If the replaced wheel does not fit in the spare wheel well, stow it securely in the luggage compartment on top of the floor covering.  
Differences between the road wheels and the compact spare  
The compact spare wheel is different in design from the road wheels and must be used only in the event of a flat tire, only for a brief time, and only when driving wit  
extra caution ⇒ ꢀ.  
Replace it with a tire matching the others on your vehicle as soon as possible.  
Please heed the following:  
Do not drive faster than 50 mph (80 km/h)!  
Avoid full-throttle acceleration, hard braking, and fast cornering!  
Do not use snow chains on the compact spare wheel ⇒ Snow chainsꢀ.  
After installing the spare wheel or compact spare wheel, check the tire pressure as soon as possible ⇒ Tire inflation pressureꢀ.  
Check the tire inflation pressure of the spare or compact spare whenever you check the tire pressure of the road wheels, at least once a month. Inflate a spare  
wheel to the cold tire pressure specified for the vehicle's road wheels on the tire pressure label; inflate a compact spare wheel to the cold tire pressure specified  
the compact spare on the tire pressure label or on a separate label for the compact spare, if there is one.  
312  
WARNING  
Improper use of a spare wheel or a compact spare wheel can cause loss of vehicle control, a crash or other accident, and serious personal injury.  
Never use a spare wheel or compact spare wheel if it is damaged or worn down to the wear indicators.  
In some vehicles, the spare wheel or compact spare wheel is smaller than the original tire. A smaller compact spare wheel is identified with a sticker and  
the words 50 mph or 80 km/h. This is the maximum permissible speed when driving with this tire.  
Never drive faster than 50 mph (80 km/h) with a compact spare wheel. Avoid full-throttle acceleration, heavy braking, and fast cornering!  
Never drive more than 125 miles (200 km) if a compact spare wheel is installed.  
Replace the compact spare with a normal wheel and tire as soon as possible. Compact spare wheels are designed for brief use only.  
Regularly check the U.S. DOT Tire Identification Number (TIN) to determine the age of the compact spare wheel ⇒ Tire labelingꢀ. Tires age even if they are  
not being used and can fail suddenly, especially at higher speeds.  
Tires that are more than 6 years old can only be used in an emergency and then with special care and at lower speeds.  
The compact spare wheel must always be secured with the wheel bolts provided by the factory.  
Never drive using more than one compact spare wheel.  
After installing the compact spare wheel, the tire pressure must be checked as soon as possible ⇒ Tire inflation pressureꢀ.  
Snow chains cannot be used on the compact spare wheel. If you must use snow chains and have a compact spare wheel mounted, move the compact  
spare wheel to the rear axle if a front tire has to be replaced. The tire taken off the rear axle can then be used to replace the flat front tire. Be sure you do  
not change the tire's direction of rotation. Install the snow chains on the full-sized road tire.  
NOTE  
When the spare wheel or compact spare is being used, the TPMS indicator light can light up after several minutes ⇒ Tire Pressure Monitoring System  
(TPMS)ꢀ.  
If possible, attach the spare wheel, compact spare wheel, or the wheel you took off the vehicle securely in the luggage compartment.  
Tire labeling  
Fig. 222 International tire labeling.  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Knowing about tire specifications makes it easier to choose the correct replacement tires. Radial tires have specifications marked on the sidewall.  
Tire labeling (example)  
Meaning  
Brand, Logo  
Manufacturer  
Tire name  
Individual tire designation of the manufacturer.  
Dimensions:  
P
Tire application: Passenger car  
313  
Tire labeling (example)  
Meaning  
P255 / 55 R 18  
255  
55  
R
Nominal sidewall-to-sidewall width of tire in millimeters.  
Ratio of height to width (aspect ratio)  
Tire belt design letter code for radial.  
Rim diameter (in inches)  
18  
109 H  
Load rating code ⇒ Load rating codeꢀ and speed rating code ⇒ Speed rating code letterꢀ.  
Indicates reinforced tire (heavy-duty)  
XL  
M+S or M/S  
Indicates Mud and Snow capability (also M/S) ⇒ Winter tiresꢀ.  
Tubeless radial tire.  
RADIAL TUBELESS  
E4 ...  
Labeling according to international regulations (E) including number of the approving country. The  
multi-digit approval number is listed next.  
Tire identification number (TIN)a) – In some cases the manufacturing date is only on one side of the tire:  
The tire complies with the requirements of the United States Department of  
DOT  
Transportation, responsible for issuing safety standards.  
BT  
RA  
Identification letter of the manufacturing site.  
Manufacturer information regarding tire dimensions.  
Tire characteristics provided by the manufacturer.  
Manufacturing date: 17th week in 2009.  
DOT BT RA TY5 1709  
TY5  
1709  
TWI  
Marks the position of the treadwear indicator ⇒ Tread depth and tread wear indicators ꢀ.  
Country of manufacture.  
Made in Germany  
MAX LOAD 615 KG (1356 LBS)  
MAX INFLATION 350 KPA (51 PSI)  
ROTATION  
United States maximum load rating per wheel.  
United States maximum permissible inflation pressure.  
Rotation direction (unidirectional tires)  
Tire ply composition and materials used:  
SIDEWALL 1 PLY RAYON  
1 layer of rayon.  
314  
Tire labeling (example)  
Meaning  
Tire tread composition and materials used:  
TREAD 4 PLIES  
In this example there are 4 layers under the tread: 1 layer of rayon, 2 layers of steel belt and 1 layer of  
nylon.  
1 RAYON + 2 STEEL + 1 NYLON  
Consumer information regarding comparison to specified base tires (standardized test procedure) ⇒ UTQG classificationꢀ⇒ ꢀ:  
TREADWEAR 220  
TRACTION A  
Relative service life expectancy of the tire referenced to a U.S.-specific standard test.  
Traction rating under wet conditions (AA, A, B or C).  
TEMPERATURE A  
Temperature stability of the tire at increased test bench speeds (A, B or C).  
Additional numbers found on the tire could either be tire manufacturer internal labels or country-specific labels (such as for Brazil and China).  
Unidirectional tires  
Unidirectional tires are designed to rotate only in one direction. Unidirectional tires have arrows on the sidewalls that show the direction of rotation. Make sure you  
mount the tire so that it rotates in the proper direction. The tire's performance with regard to hydroplaning, traction, noise, and wear is worse if it is not mounted in th  
proper direction of rotation.  
If you have to mount a tire opposite to its proper direction of rotation, you must drive more carefully, since the tire is no longer being used as designed. This is  
particularly important on wet roads. You must replace or remount the tire as soon as possible in order to restore the correct direction of rotation.  
Load rating code  
The load index indicates the maximum permissible load per individual tire in pounds (kilograms).  
91  
1356 lbs (615 kg)  
1388 lbs (630 kg)  
1433 lbs (650 kg)  
1521 lbs (690 kg)  
1609 lbs (730 kg)  
1653 lbs (750 kg)  
1709 lbs (775 kg)  
1763 lbs (800 kg)  
1819 lbs (825 kg)  
1874 lbs (850 kg)  
1929 lbs (875 kg)  
1984 lbs (900 kg)  
2337 lbs (1060 kg)  
92  
93  
95  
97  
98  
99  
100  
101  
102  
103  
104  
110  
Speed rating code letter  
The speed rating code letter indicates the maximum permissible road speed of the tires.  
P
Q
R
S
T
up to 93 mph (150 km/h)  
up to 99 mph (160 km/h)  
up to 106 mph (170 km/h)  
up to 112 mph (180 km/h)  
up to 118 mph (190 km/h)  
up to 124 mph (200 km/h)  
up to 130 mph (210 km/h)  
up to 149 mph (240 km/h)  
over 149 mph (240 km/h)  
up to 168 mph (270 km/h)  
up to 186 mph (300 km/h)  
U
H
V
Z
W
Y
315  
Some tire manufacturers label tires with a maximum permissible road speed above 149 mph (240 km/h) with the letter combination ZR.  
WARNING  
Using incorrect or unmatched tires and/or wheels or improper tire and wheel combinations can lead to loss of control, collision and serious personal injury.  
Always use tires, wheels and wheel bolts that meet the specifications of the original factory-installed tires or other combinations that have been specifically  
approved by the vehicle manufacturer.  
All 4 wheels must be fitted with radial tires of the same type, the same size (tread circumference), and the same tread pattern. Driving with different tires  
reduces vehicle handling and can lead to a loss of control.  
Never drive faster than the maximum speed for which the tires installed on your vehicle are rated because tires that are driven faster than their rated speed  
can fail suddenly.  
Overloading tires can cause heat build-up, sudden tire failure, including a blowout and sudden deflation and loss of control.  
Temperature grades apply to tires that are properly inflated and not over- or underinflated.  
a) TIN represents the serial number of the tire.  
Winter tires  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Winter tires improve the handling characteristics of your vehicle significantly when driving under wintry road conditions. Summer tires have less traction on snow  
and ice because of their design (width, rubber composition, tread design). Volkswagen strongly recommends that you always have winter tires or all-season tires  
installed on all 4 wheels on your vehicle, especially when winter road conditions are expected. Winter tires also improve the vehicle's braking performance and help  
reduce stopping distances during winter weather. Volkswagen recommends installing winter tires once temperatures are below +45 °F (+7 °C).  
Winter tires are no longer suitable for winter driving once the tread pattern is worn down to a depth of 3/16 in (4.8 mm). In addition, winter tire performance  
decreases with age – independent of the tread profile depth.  
When using winter tires:  
Obey state and country-specific legal requirements.  
Install winter tires on all 4 wheels.  
Use winter tires only under wintry road conditions.  
Only use winter tires with dimensions approved for the vehicle.  
Use only winter tires of the same tire belt design, the same dimensions (tread circumference), and the same tread design.  
Follow speed restrictions according to the winter tire's speed rating code letter ⇒ ꢀ.  
Speed restrictions  
Winter tires are certified up to a top speed identified by speed rating code letters on the sidewall ⇒ Tire labelingꢀ.  
In appropriately equipped vehicles, the speed warning can be set and changed in the Infotainment system by pressing the  
button followed by the Vehicle,  
and Tires function keys ⇒ Infotainment system operation and displays ꢀ.  
Top speed rating and tire inflation pressure for V winter tires depend on the engine installed in your vehicle. Be sure to ask your authorized Volkswagen dealer or  
authorized Volkswagen Service Facility about the maximum permissible speed and the required tire inflation pressure for the winter tires that you plan to use.  
All-wheel drive (4MOTION)  
Vehicles with all-wheel drive and standard road wheels have good forward motion and traction even under wintery road conditions. However, Volkswagen  
recommends installing winter tires or all season tires on all 4 wheels to improve handling as well as braking performance.  
If you use snow chains, please read and heed information and directions ⇒ Snow chainsꢀ.  
WARNING  
Driving faster than the maximum speed for which the winter tires on your vehicle were designed can cause sudden tire failure including a blowout and sudden  
deflation, loss of control, crashes and serious personal injuries.  
Winter tires have a maximum speed rating that may be lower than your vehicle's maximum speed.  
Never drive faster than the maximum speed for which the winter tires installed on your vehicle are rated because tires that are driven faster than their rated  
speed can fail suddenly.  
Never exceed the maximum load rating for the winter tires installed on your vehicle.  
Install summer tires promptly in the spring. Summer tires offer better handling characteristics for temperatures above +45 °F (+7 °C). They are quieter, do not  
316  
wear as quickly, and reduce fuel consumption.  
The Tire Pressure Monitoring System must be recalibrated whenever you remove and remount or change any wheel or tire on the vehicle, even if the  
reinstalled or replacement wheels and tires are identical to those that were removed and even if the tire pressure does not change ⇒ Recalibrating the Tire  
Pressure Monitoring System (TPMS)ꢀ.  
If necessary, ask your authorized Volkswagen dealer or authorized Volkswagen Service Facility about permissible winter tire dimensions.  
Snow chains  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Obey local regulations as well as the applicable speed limits when driving with snow chains.  
Snow chains improve forward motion, traction and braking characteristics under wintry conditions.  
Snow chains may be used only on the front wheels and only in tire and wheel combinations that have been approved by Volkswagen. This applies even to all-  
wheel drive vehicles (4MOTION).  
Please contact your authorized Volkswagen dealer or authorized Volkswagen Service Facility about appropriate wheel, tire and snow chain dimensions.  
If possible, use only chains with low profile links that are not thicker than 37/64 in. (15 mm) including the tensioner.  
Remove center hubcaps and decorative rim rings before installing snow chains ⇒ ꢀ. However, for safety reasons, caps must be installed on the wheel bolts.  
These are available from authorized Volkswagen dealers and authorized Volkswagen Service Facilities.  
Compact spare wheel  
For technical reasons, snow chains cannot be used on the compact spare wheel ⇒ Spare wheel or compact spare wheel ꢀ.  
If you must use snow chains and have a compact spare wheel mounted, move the compact spare wheel to the rear axle if a front tire has to be replaced. The tire  
taken off the rear axle can then be used to replace the flat front tire. Be sure to install the unidirectional tires so that they will run in the proper direction. Volkswagen  
recommends installing the snow chains before mounting the wheel to the vehicle.  
WARNING  
Using the wrong snow chains or installing snow chains improperly can cause accidents and severe personal injuries.  
Always use the proper snow chains.  
Follow the installation instructions provided by the snow chain manufacturer.  
Never exceed the permissible speed limit when driving with snow chains.  
NOTE  
Remove snow chains when roads are free of snow. Otherwise, the chains can damage the tires, impair vehicle handling and can be quickly worn down.  
Snow chains can scratch or damage wheel rims if they have direct contact with the rims. Volkswagen recommends using coated snow chains.  
Glossary of tire and loading terminology  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Accessory weight  
The combined weight (in excess of those standard items which may be replaced) of automatic transmission, electro-mechanical power steering, power brakes,  
power windows, power seats, radio, and heater, to the extent that these items are available as factory-installed equipment (whether installed or not).  
Aspect ratio  
The ratio of sidewall height to tire width, expressed as a percentage. A number of 50 (0.5:1 or 50%) means that the cross-sectional height is 50% of the tread width.  
A shorter sidewall can improve steering response and provide better overall handling, for example, on dry pavement.  
Bead  
The part of a tire made of steel wires, wrapped or reinforced by ply cords, with the shape and structure to ensure proper fit to the wheel rim.  
Bead separation  
A breakdown of the bond between components in the bead.  
317  
Carcass  
The tire structure, except tread and sidewall rubber which, when inflated, bears the load.  
Chunking  
The breaking away of pieces of the tread or sidewall.  
Cord  
The strands of material forming the plies in the tire.  
Cord separation  
The parting of cords from adjacent rubber compounds.  
Cracking  
Any parting within the tread, sidewall, or inner liner of the tire extending to cord material.  
Cold tire inflation pressure  
The tire pressure recommended by the vehicle manufacturer for a tire of a specified size that has not been driven for more than a couple of miles (kilometers) at low  
speeds in the 3 hour period before the tire pressure is measured or adjusted.  
Curb weight  
The weight of a motor vehicle with standard equipment including the maximum capacity of fuel, oil, and coolant, air conditioner, and additional weight of optional  
equipment.  
Extra load tire  
A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire.  
Gross Axle Weight Rating (GAWR)  
The load-carrying capacity of a single axle system, measured where the tire contacts the ground.  
Gross Vehicle Weight Rating (GVWR)  
The maximum loaded weight of the vehicle.  
Groove  
The space between 2 adjacent tread ribs.  
Load rating (code)  
The maximum load that a tire is rated to carry for a given inflation pressure. You may not find this information on all tires because it is not required by law.  
Maximum load rating  
The load rating for a tire at the maximum permissible inflation pressure for that tire.  
Maximum loaded vehicle weight  
The total of:  
Curb weight.  
Accessory weight.  
Vehicle capacity weight.  
Production options weight.  
Maximum (permissible) inflation pressure  
The maximum cold inflation pressure to which a tire may be inflated. Also called maximum inflation pressure.  
Normal occupant weight  
Means 150 lbs (68 kilograms) times the number of occupants seated in the vehicle up to the total seating capacity of your vehicle.  
Occupant distribution  
The placement of passengers in a vehicle.  
Outer diameter  
The diameter of a new, properly inflated tire.  
Overall width  
318  
Total width measured at the exterior sidewalls of an inflated tire, including the additional width of labeling, decorations, or protective bands or ribs.  
Passenger car tire  
A tire intended for use on passenger cars, multipurpose passenger vehicles, and trucks, that have a gross vehicle weight rating (GVWR) of 10,000 pounds or less.  
Ply  
A layer of rubber-coated parallel cords.  
Ply separation  
A parting of rubber compound between adjacent plies.  
Pneumatic tire  
A mechanical device made of rubber, chemicals, fabric, and steel or other materials, that, when mounted on an automotive wheel, provides the traction and contain  
the gas or fluid that sustains the load.  
Production options weight  
The combined weight of installed regular production options weighing over 5 lbs (2.3 kg) more than the standard items they replace, and not previously considered  
as curb weight or accessory weight. These include, for example, heavy-duty brakes, ride levelers, roof rack, heavy-duty battery, and special trim.  
Radial ply tires  
A pneumatic tire in which the ply cords that extend to the beads are laid at substantially 90 degrees to the centerline of the tread.  
Recommended inflation pressure  
The tire pressure recommended by the vehicle manufacturer for a tire of a specified size that has not been driven for more than a couple of miles (kilometers) at low  
speeds in the 3 hour period before the tire pressure is measured or adjusted.  
Reinforced tire  
A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire.  
Rim  
The outer edge of a wheel upon which the tire beads are seated.  
Rim diameter  
The nominal diameter of the wheel's tire bead seating surface. If you change your wheel size, to wheels of a different diameter, you will have to purchase new tires  
to match the new wheels.  
Rim size  
Designation means rim diameter and width.  
Rim type designation  
The industry or manufacturer's designation for a rim by style or code.  
Rim width  
The nominal distance between wheel rim flanges.  
Section width  
The linear distance between the exteriors of the sidewalls of an inflated tire, excluding elevations due to labeling decoration, or protective bands.  
Sidewall  
The portion of a tire between the bead and the tread.  
Sidewall separation  
The parting of the rubber compound from the cord material in the sidewall.  
Speed rating (letter code)  
A standardized letter code indicating the maximum speed at which a tire is designed to be driven for extended periods of time. The ratings range from 93 mph  
(150 km/h) P to 186 mph (300 km/h) Y.  
The speed rating letter code, where applicable, is molded on the tire sidewall ⇒ Tire labelingꢀ. You may not find this information on all tires because it is not require  
by law.  
Tire Pressure Monitoring System  
A system that detects when at least one of a vehicle's tires is underinflated and illuminates a low tire-pressure warning light.  
319  
Tread  
The portion of a tire that normally touches the road.  
Tread rib  
A tread section running circumferentially around a tire.  
Tread separation  
Tire failure caused by the tread pulling away from the tire carcass.  
Tread wear indicators (TWI)  
Raised areas within the main tread grooves that show, visually, when tires are worn and near the end of their useful life ⇒ Tread depth and tread wear indicators  
Uniform Tire Quality Grading (UTQG)  
A tire information system developed by the U.S. National Highway Traffic Safety Administration (NHTSA) that is designed to help buyers compare tires. UTQG is no  
a safety rating, nor is it a guarantee that a tire will last for a certain number of miles or perform a certain way. It gives tire buyers more information to compare with  
factors such as price, brand loyalty and dealer recommendations. Under UTQG, tires are graded by the tire manufacturers in 3 areas: tread wear, traction and  
temperature resistance. UTQG information is molded into the tire sidewalls.  
U.S. DOT Tire Identification Number (TIN)  
A tire's serial number. It begins with the letters DOT (Department of Transportation) and indicates that the tire meets all federal standards. The next 2 numbers or  
letters indicate the plant where the tire was manufactured. The last 4 numbers represent the week and year of manufacture.  
For example, the numbers 1709 mean that the tire was produced in the 17th week of 2009. Any other numbers are marketing codes used by the tire manufacturer.  
This information is used to help identify affected consumers if a tire defect requires a recall.  
Vehicle capacity weight  
The total rated cargo, luggage and passenger load. Passenger load is 150 lbs (68 kilograms) times the vehicle's total seating capacity (as listed on the label inside  
the driver door).  
Vehicle maximum load on the tire  
The load on an individual tire that is determined by taking each axle's share of the maximum loaded vehicle weight (GAWR) and dividing by 2.  
Vehicle normal load on the tire  
The load on an individual tire that is determined by taking each axle's share of the curb weight, accessory weight, and normal occupant weight (distributed  
according to the table below) and dividing by 2.  
Wheel size designation  
Wheel rim diameter and width.  
Occupant loading and distribution for vehicle normal load for various designated seating capacities  
Designated seating capacity, number of occupants  
Vehicle normal load, number of occupants  
Occupant distribution in a normally loaded vehicle  
2, 3, or 4  
2
3
2 in front  
5
2 in front, 1 in back  
Tires and vehicle load limits  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
There are limits to the load any vehicle or any tire can carry. A vehicle that is overloaded will not handle well and is more difficult to stop. Overloading can damage  
important parts of the vehicle. Overloading can also lead to blowout, sudden loss of pressure or other tire failure that can cause loss of control.  
Your safety and the safety of your passengers depends on making sure that load limits are not exceeded. Vehicle load includes everybody and everything in and on  
the vehicle. These load limits are technically referred to as the vehicle's Gross Vehicle Weight Rating (GVWR).  
The GVWR includes the weight of the basic vehicle, all factory-installed and other accessories, a full tank of fuel, oil, coolant and other fluids plus maximum load.  
The maximum load includes the number of passengers that the vehicle is intended to carry (seating capacity) with an assumed weight of 150 lbs (68 kg) for each  
passenger at a designated seating position and the total weight of any luggage in the vehicle. If you tow a trailer, the weight of the trailer hitch and the tongue weigh  
of the loaded trailer must be included as part of the vehicle weight. At altitudes above 3000 ft (1000 m), combined towing weight (vehicle plus trailer) must be  
reduced by 10% for every 3000 ft (1000 m).  
The Gross Axle Weight Rating (GAWR) is the maximum load that can be carried at each of the vehicle's 2 axles (by the front or rear tires). GVWR and GAWR ar  
320  
listed on the safety compliance label on the driver door jamb. Because there is an upper limit to your vehicle's total weight (GVWR), the weight of whatever is being  
carried (including the weight of a trailer hitch and the tongue weight of the loaded trailer) is also limited. More passengers, or passengers who are heavier than the  
assumed 150 lbs (68 kg), mean that less weight can be carried as luggage or other cargo. The tire pressure label on your Volkswagen also lists the maximum  
combined weight of all of the occupants and luggage or other cargo that the vehicle can carry.  
WARNING  
Overloading a vehicle can cause loss of vehicle control, a crash or other accident, serious personal injury, and even death.  
Carrying more weight than your vehicle was designed to carry will prevent the vehicle from handling properly and increase the risk of the loss of vehicle  
control.  
The brakes on a vehicle that has been overloaded may not be able to stop the vehicle in a safe distance.  
Tires on a vehicle that has been overloaded can fail suddenly, including a blowout and sudden deflation, causing loss of control and a crash.  
Always make sure that the total load being transported – including the weight of a trailer hitch and the tongue weight of a loaded trailer – does not make the  
vehicle heavier than the vehicle's Gross Vehicle Weight Rating.  
Determining the correct load limit  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Never overload tires. The following example illustrates how to determine the combined weight of all vehicle occupants and luggage or other vehicle payloads. Neve  
overload the vehicle!  
Steps for Determining Correct Load Limit:  
Locate the statement THE COMBINED WEIGHT OF OCCUPANTS AND CARGO SHOULD NEVER EXCEED XXX KG OR XXX LBS on your  
1.  
vehicle's placard (tire inflation pressure label) ⇒ Tire inflation pressureꢀ.  
2.  
3.  
Determine the combined weight of the driver and passengers that will be riding in your vehicle.  
Subtract the combined weight of the driver and passengers from XXX kg or XXX lbs.  
The resulting figure equals the available amount of cargo and luggage load capacity.  
4.  
For example, if the XXX amount equals 1400 lbs. and there will be five 150 lb. passengers in your vehicle, the amount of available cargo and  
luggage load capacity is 650 lbs. (1400-750 (5 x 150) = 650 lbs.)  
Determine the combined weight of luggage and cargo being loaded on the vehicle. That weight may not safely exceed the available cargo and  
luggage load capacity calculated in Step 4.  
5.  
6.  
If your vehicle is capable of towing a trailer: The load from your trailer will be transferred to your vehicle. Consult this manual to determine how this  
reduces the available cargo and luggage load capacity of your vehicle.  
Check the tire sidewall to determine the load index specified for the tire.  
UTQG classification  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Uniform Tire Quality Grading (UTQG): Quality grades can be found where applicable on the tire sidewall between the tread shoulder and maximum section width.  
Example:  
Treadwear (number)  
Traction: AA, A, B or C  
Temperature: A, B or C  
For example: Treadwear 200, Traction AA, Temperature A.  
321  
All passenger car tires must conform to Federal Safety Requirements in addition to these grades.  
Treadwear  
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course.  
For example, a tire graded 150 (Treadwear-value 150) would wear one-and-one-half (1 1/2) times as well on the government course as a tire graded 100.  
The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving  
habits, service practices and differences in road characteristics and climate.  
Traction  
The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire's ability to stop on wet pavement as measured under controlled  
conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance ⇒ ꢀ.  
Temperature  
The temperature grades are A (the highest), B, and C representing the tire's resistance to the generation of heat, and its ability to dissipate heat when tested under  
controlled conditions on a specified indoor laboratory test wheel.  
Sustained high temperature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure.  
The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109. Grades B  
and A represent higher levels of performance on the laboratory test wheel than the minimum required by law ⇒ ꢀ.  
WARNING  
The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning or peak  
traction characteristics.  
WARNING  
The temperature grade for this tire is established for a tire that is properly inflated and not overloaded. Excessive speed, underinflation or excessive loading,  
either separately or in combination, can cause heat buildup and possible tire failure.  
Wheel trim  
Introduction to the subject  
In this chapter you will find information on the following subjects:  
⇒ Hubcapsꢀ  
⇒ Wheel coversꢀ  
⇒ Wheel bolt capsꢀ  
WARNING  
Unsuitable wheel covers and improper installation of wheel covers can cause accidents and severe injuries.  
Improperly installed wheel covers can come loose while driving and endanger other motorists and cyclists.  
Do not use damaged wheel covers.  
Always make sure that the flow of air for brake system cooling is not blocked or reduced before installing wheel covers. This applies to both factory-installed  
wheel covers and aftermarket wheel covers. Insufficient air supply may significantly increase stopping distance.  
NOTE  
To help prevent damage to the vehicle, be careful when removing wheel covers and be sure to install them properly.  
Hubcaps  
322  
Fig. 223 Pulling the hubcap off.  
Fig. 224 Twisting the hubcap off.  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
The hubcaps are designed to protect the wheel bolts and should be installed again after a wheel change.  
Depending on the vehicle model, the hubcaps can either be pulled off ⇒ Fig. 223ꢀ or removed by twisting ⇒ Fig. 224ꢀ.  
Vehicles with pull-off hubcaps  
To remove Take the wire clip out of vehicle tool kit and hook it into one of the holes in the hubcap ⇒ Fig. 223ꢀ.  
Pull the hubcap off in the direction of the arrow.  
To install Press the hubcap against the rim until it latches.  
Vehicles with twist-off hubcaps  
To remove Twist the hubcap to the left or right until it loosens from the wheel rim ⇒ Fig. 224ꢀ.  
Grasp behind one of the lugs and pull the hubcap off.  
To install Push the hubcap onto the center of the rim.  
Press the hubcap against the rim until it latches.  
Wheel covers  
Fig. 225 Pulling the wheel cover off.  
Read and follow the introductory information and safety information first ⇒ Introduction to the subjectꢀ  
Pulling off the wheel cover  
Take the lug wrench (if equipped) and wire clip out of the vehicle tool kit ⇒ Vehicle tool kitꢀ.  
Place the wire clip hook in one of the openings of the wheel cover.  
Slide the lug wrench through the clip ⇒ Fig. 225ꢀ and pull the wheel cover off in the direction of the arrow.  
Installing the wheel cover  
Screw the anti-theft wheel bolt (if equipped) into position ⇒ Fig. 228②ꢀ or ③ in relation to the position of the tire valve. Otherwise, the wheel cover cannot be  
installed.  
Align the valve cutout with the valve ⇒ Fig. 228①ꢀ, and press the wheel cover onto the wheel rim.  
Make sure that the wheel cover is latched onto the rim along the entire circumference.  
323  

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