Before driving -> Driving the vehicle for Your Toyota Prius 4 Door Fourth Generation (2016-2022)

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4-1. Before driving  
Driving the vehicle  
The following procedures should be observed to ensure safe  
driving:  
Starting the hybrid system  
P. 241  
Driving  
1
With the brake pedal depressed, shift the shift position to D.  
(P. 251)  
Check that the shift position indicator shows D.  
2
Release the parking brake. (P. 258)  
3
Gradually release the brake pedal and gently depress the accelera-  
tor pedal to accelerate the vehicle.  
Stopping  
1
With the shift position in D, depress the brake pedal.  
2
If necessary, set the parking brake.  
If the vehicle is to be stopped for an extended period of time, shift the shift  
position to P. (P. 252)  
Parking the vehicle  
1
Stop the vehicle completely.  
2
Set the parking brake. (P. 258)  
3
Shift the shift position to P. (P. 252)  
Check that the shift position indicator shows P.  
4
Press the power switch to stop the hybrid system.  
5
Slowly release the brake pedal.  
6
Lock the door, making sure that you have the electronic key on your  
person.  
If parking on a hill, block the wheels as needed.  
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4-1. Before driving  
Starting off on a steep uphill  
1
Firmly set the parking brake with the brake pedal depressed, and  
then shift the shift position to D.  
2
3
Release the brake pedal and gently depress the accelerator pedal.  
Release the parking brake.  
When starting off on an uphill  
The hill-start assist control will activate. (P. 409)  
For fuel-efficient driving  
Keep in mind that hybrid vehicles are similar to conventional vehicles, and it  
is necessary to refrain from activities such as sudden acceleration. (P. 415)  
Driving in the rain  
Drive carefully when it is raining, because visibility will be reduced, the win-  
dows may become fogged-up, and the road will be slippery.  
Drive carefully when it starts to rain, because the road surface will be espe-  
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cially slippery.  
Refrain from high speeds when driving on an expressway in the rain,  
because there may be a layer of water between the tires and the road sur-  
face, preventing the steering and brakes from operating properly.  
Restraining the hybrid system output (Brake Override System)  
When the accelerator and brake pedals are depressed at the same time, the  
hybrid system output may be restrained.  
A warning message is displayed on the multi-information display while the  
system is operating. (P. 596)  
“ECO Accelerator Guidance” (P. 128)  
It is easier to drive in an Eco-friendly manner by driving while referring to the  
“ECO Accelerator Guidance” display. Also, by using the “ECO Accelerator  
Guidance”, it is easier to increase the Eco score evaluation.  
When starting off:  
While staying within the “ECO Accelerator Guidance” range, gradually  
depress the accelerator pedal and accelerate to the desired speed. If exces-  
sive acceleration is avoided, the “Eco-Start” score will increase.  
When driving:  
After accelerating to the desired speed, release the accelerator pedal and  
drive at a stable speed within the “ECO Accelerator Guidance” range. By  
keeping the vehicle within the “ECO Accelerator Guidance” range, the “Eco-  
Cruise” score will increase.  
When stopping:  
When stopping the vehicle, early releasing the accelerator pedal will cause  
the “Eco-Stop” score to increase.  
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4-1. Before driving  
Restraining sudden start (Drive-Start Control)  
When the following unusual operation is performed, the hybrid system out-  
put may be restrained.  
• When the shift position is shifted from R to D/B, D/B to R, N to R, P to D/  
B*, P to R* with the accelerator pedal depressed, a warning message  
appears on the multi-information display. If a warning message is shown  
on the multi-information display, read the message and follow the instruc-  
tions.  
• When the accelerator pedal is depressed too much while the vehicle is in  
reverse.  
While Drive-Start Control is being activated, your vehicle may have trou-  
ble escaping from the mud or fresh snow. In such case, deactivate TRAC  
(P. 410) to cancel Drive Start Control so that the vehicle may become  
able to escape from the mud or fresh snow.  
*: Depending on the situation, the shift position may not be changed.  
Breaking in your new Toyota  
To extend the life of the vehicle, observing the following precautions is recom-  
mended:  
For the first 200 miles (300 km):  
Avoid sudden stops.  
For the first 1000 miles (1600 km):  
• Do not drive at extremely high speeds.  
• Avoid sudden acceleration.  
• Do not drive at a constant speed for extended periods.  
Operating your vehicle in a foreign country  
Comply with the relevant vehicle registration laws and confirm the availability  
of the correct fuel. (P. 655)  
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4-1. Before driving  
WARNING  
Observe the following precautions.  
Failure to do so may result in death or serious injury.  
When starting the vehicle  
Always keep your foot on the brake pedal while stopped with the “READY”  
indicator is illuminated. This prevents the vehicle from creeping.  
When driving the vehicle  
Do not drive if you are unfamiliar with the location of the brake and accel-  
erator pedals to avoid depressing the wrong pedal.  
• Accidentally depressing the accelerator pedal instead of the brake  
pedal will result in sudden acceleration that may lead to an accident.  
• When backing up, you may twist your body around, leading to a diffi-  
culty in operating the pedals. Make sure to operate the pedals properly.  
• Make sure to keep a correct driving posture even when moving the  
vehicle only slightly. This allows you to depress the brake and accelera-  
tor pedals properly.  
• Depress the brake pedal using your right foot. Depressing the brake  
pedal using your left foot may delay response in an emergency, result-  
ing in an accident.  
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The driver should pay extra attention to pedestrians when the vehicle is  
powered only by the electric motor (traction motor). As there is no engine  
noise, the pedestrians may misjudge the vehicle’s movement. Even  
though the vehicle is equipped with the vehicle proximity notification sys-  
tem, drive with care as pedestrians in the vicinity may still not notice the  
vehicle if the surrounding area is noisy.  
Do not drive the vehicle over or stop the vehicle near flammable materials  
such as leaves, paper or rags.  
The exhaust system and exhaust gases can be extremely hot. These hot  
parts may cause a fire if there is any flammable material nearby.  
During normal driving, do not turn off the hybrid system. Turning the hybrid  
system off while driving will not cause loss of steering or braking control,  
however, power assist to the steering will be lost. This will make it more  
difficult to steer smoothly, so you should pull over and stop the vehicle as  
soon as it is safe to do so.  
In the event of an emergency, such as if it becomes impossible to stop the  
vehicle in the normal way: P. 569  
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4-1. Before driving  
WARNING  
Observe the following precautions.  
Failure to do so may result in death or serious injury.  
When driving the vehicle  
Use engine braking (shift position B instead of shift position D) to maintain  
a safe speed when driving down a steep hill.  
Using the brakes continuously may cause the brakes to overheat and lose  
effectiveness. (P. 252)  
Do not adjust the positions of the steering wheel, the seat, or the inside or  
outside rear view mirrors while driving.  
Doing so may result in a loss of vehicle control.  
Always check that all passengers’ arms, head or other parts of their body  
are not outside the vehicle.  
AWD models: Do not drive the vehicle off-road.  
This is not an AWD vehicle designed for off-road driving. Proceed with all  
due caution if it becomes unavoidable to drive off-road.  
Do not drive across river crossings or through other bodies of water.  
This may cause electric/electronic components to short circuit, damage  
the hybrid system or cause other serious damage to the vehicle.  
Do not drive in excess of the speed limit. Even if the legal speed limit per-  
mits it, do not drive over 85 mph (140 km/h) unless your vehicle has high-  
speed capability tires. Driving over 85 mph (140 km/h) may result in tire  
failure, loss of control and possible injury. Be sure to consult a tire dealer  
to determine whether the tires on your vehicle are high-speed capability  
tires or not before driving at such speeds.  
When driving on slippery road surfaces  
Sudden braking, acceleration and steering may cause tire slippage and  
reduce your ability to control the vehicle.  
Sudden acceleration, engine braking due to shifting, or changes in engine  
speed could cause the vehicle to skid, resulting in an accident.  
After driving through a puddle, depress the brake pedal to make sure that  
the brakes are functioning properly. Wet brake pads may prevent the  
brakes from functioning properly. If the brakes on only one side are wet  
and not functioning properly, steering control may be affected.  
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4-1. Before driving  
WARNING  
Observe the following precautions.  
Failure to do so may result in death or serious injury.  
When shifting the shift position  
Do not let the vehicle roll backward while a forward driving position is  
selected, or roll forward while the shift position is in R.  
Doing so may result in an accident or damage to the vehicle.  
Do not shift the shift position to P while the vehicle is moving.  
Doing so can damage the transmission and may result in a loss of vehicle  
control.  
Do not shift the shift position to R while the vehicle is moving forward.  
Doing so can damage the transmission and may result in a loss of vehicle  
control.  
Do not shift the shift position to a driving position while the vehicle is mov-  
ing backward.  
Doing so can damage the transmission and may result in a loss of vehicle  
control.  
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Changing the shift position to N while the vehicle is moving will disengage  
the hybrid system. Engine braking is not available with the hybrid system  
disengaged.  
Be careful not to change the shift position with the accelerator pedal  
depressed.  
Changing the shift position to any position other than P or N may lead to  
unexpected rapid acceleration of the vehicle that may cause an accident  
and result in death or serious injury.  
Doing so can damage the transmission and may result in a loss of vehicle  
control.  
After changing the shift position, make sure to confirm the current shift  
position displayed on the shift position indicator inside the meter.  
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4-1. Before driving  
WARNING  
Observe the following precautions.  
Failure to do so may result in death or serious injury.  
If you hear a squealing or scraping noise (brake pad wear limit indica-  
tors)  
Have the brake pads checked and replaced by your Toyota dealer as soon  
as possible.  
Rotor damage may result if the pads are not replaced when needed.  
It is dangerous to drive the vehicle when the wear limits of the brake pads  
and/or those of the brake discs are exceeded.  
When the vehicle is stopped  
Do not depress the accelerator pedal unnecessarily.  
If the shift position is in any position other than P or N, the vehicle may  
accelerate suddenly and unexpectedly, causing an accident.  
In order to prevent accidents due to the vehicle rolling away, always keep  
depressing the brake pedal while stopped with the “READY” indicator is  
illuminated, and apply the parking brake as necessary.  
If the vehicle is stopped on an incline, in order to prevent accidents caused  
by the vehicle rolling forward or backward, always depress the brake pedal  
and securely apply the parking brake as needed.  
Avoid revving or racing the engine.  
Running the engine at high speed while the vehicle is stopped may cause  
the exhaust system to overheat, which could result in a fire if combustible  
material is nearby.  
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4-1. Before driving  
WARNING  
Observe the following precautions.  
Failure to do so may result in death or serious injury.  
When the vehicle is parked  
Do not leave glasses, cigarette lighters, spray cans, or soft drink cans in  
the vehicle when it is in the sun.  
Doing so may result in the following:  
• Gas may leak from a cigarette lighter or spray can, and may lead to a fire.  
• The temperature inside the vehicle may cause the plastic lenses and  
plastic material of glasses to deform or crack.  
• Soft drink cans may fracture, causing the contents to spray over the  
interior of the vehicle, and may also cause a short circuit in the vehicle’s  
electrical components.  
Do not leave cigarette lighters in the vehicle. If a cigarette lighter is in a  
place such as the glove box or on the floor, it may be lit accidentally when  
luggage is loaded or the seat is adjusted, causing a fire.  
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Do not attach adhesive discs to the windshield or windows. Do not place con-  
tainers such as air fresheners on the instrument panel or dashboard. Adhe-  
sive discs or containers may act as lenses, causing a fire in the vehicle.  
Do not leave a door or window open if the curved glass is coated with a  
metallized film such as a silver-colored one. Reflected sunlight may cause  
the glass to act as a lens, causing a fire.  
Always apply the parking brake, shift the shift position to P, stop the hybrid  
system and lock the vehicle.  
Do not leave the vehicle unattended while the “READY” indicator is illumi-  
nated.  
If the vehicle is parked with the shift position in P but the parking brake is  
not set, the vehicle may start to move, possibly leading to an accident.  
Do not touch the exhaust pipe while the “READY” indicator is illuminated  
or immediately after turning the hybrid system off.  
Doing so may cause burns.  
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4-1. Before driving  
WARNING  
Observe the following precautions.  
Failure to do so may result in death or serious injury.  
When taking a nap in the vehicle  
Always turn the hybrid system off. Otherwise, if you accidentally move the  
shift lever or depress the accelerator pedal, this could cause an accident or  
fire due to hybrid system overheating. Additionally, if the vehicle is parked in  
a poorly ventilated area, exhaust gases may collect and enter the vehicle,  
leading to death or a serious health hazard.  
When braking  
When the brakes are wet, drive more cautiously.  
Braking distance increases when the brakes are wet, and this may cause  
one side of the vehicle to brake differently than the other side. Also, the  
parking brake may not securely hold the vehicle.  
If the electronically controlled assist function does not operate, do not fol-  
low other vehicles closely and avoid downhill or sharp turns that require  
braking.  
In this case, braking is still possible, but the brake pedal should be  
depressed more firmly than usual. Also, the braking distance will increase.  
Have your brakes fixed immediately.  
The brake system consists of 2 or more individual hydraulic systems; if  
one of the systems fails, the other(s) will still operate. In this case, the  
brake pedal should be depressed more firmly than usual and the braking  
distance will increase. Have your brakes fixed immediately.  
If the vehicle becomes stuck (AWD models)  
Do not spin the wheels excessively when any of the tires is up in the air, or  
the vehicle is stuck in sand, mud, etc. This may damage the driveline com-  
ponents or propel the vehicle forward or backward, causing an accident.  
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4-1. Before driving  
NOTICE  
When driving the vehicle  
Do not depress the accelerator and brake pedals at the same time during  
driving, as this may restrain the hybrid system output.  
Do not use the accelerator pedal or depress the accelerator and brake  
pedals at the same time to hold the vehicle on a hill.  
When parking the vehicle  
Always set the parking brake, and shift the shift position to P. Failure to do  
so may cause the vehicle to move or the vehicle may accelerate suddenly if  
the accelerator pedal is accidentally depressed.  
Avoiding damage to vehicle parts  
Do not turn the steering wheel fully in either direction and hold it there for  
an extended period of time.  
Doing so may damage the power steering motor.  
When driving over bumps in the road, drive as slowly as possible to avoid  
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damaging the wheels, underside of the vehicle, etc.  
If you get a flat tire while driving  
A flat or damaged tire may cause the following situations. Hold the steering  
wheel firmly and gradually depress the brake pedal to slow down the vehi-  
cle.  
It may be difficult to control your vehicle.  
The vehicle will make abnormal sounds or vibrations.  
The vehicle will lean abnormally.  
Information on what to do in case of a flat tire: P. 599, 619  
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4-1. Before driving  
NOTICE  
When encountering flooded roads  
Do not drive on a road that has flooded after heavy rain etc. Doing so may  
cause the following serious damage to the vehicle:  
Engine stalling  
Short in electrical components  
Engine damage caused by water immersion  
In the event that you drive on a flooded road and the vehicle is flooded, be  
sure to have your Toyota dealer check the following:  
Brake function  
Changes in quantity and quality of oil and fluid used for the engine, hybrid  
transmission, etc.  
Lubricant condition for the bearings and suspension joints (where possi-  
ble), and the function of all joints, bearings, etc.  
If the shift control system is damaged by flooding, it may not be possible to  
shift the shift position to P, or from P to other positions. When the shift posi-  
tion cannot be changed from P to any other position, the front wheels will  
lock, and you will be unable to tow the vehicle with the front wheels on the  
ground, as the front wheels may be locked. In this case, transport the vehi-  
cle with both front wheels or all four wheels lifted. (P. 572)  
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