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Selective catalytic reduction (AdBlue?) -> Refilling AdBlue for Your Volkswagen Passat SUV Sixth Generation (2005-2010)

AdBlue information  
Please first read and note the introductory information and heed the WARNINGS  
In vehicles with selective catalytic reduction, a special urea solution (AdBlue) is injected into the  
exhaust system ahead of the catalytic converter in order to reduce nitrogen oxide emissions.  
AdBlue is stored in a separate tank of the vehicle and should be refilled under normal driving  
conditions during service according to the maintenance schedule. The AdBlue tank holds slightly less  
than 5 gallons (about 18.5 liters).  
AdBlue consumption depends on individual driving style, system operating temperature, and outside  
air temperature. Therefore in rare cases AdBlue may have to be refilled between service events.  
Starting with a remaining range of about 1500 miles (2400 km), a reminder to refill AdBlue is displayed  
in the instrument cluster, Refilling AdBlue. If you ignore the last refill reminder, it is impossible to start  
the engine again after it is switched off, Warning and indicator lights.  
Volkswagen recommends that you have the AdBlue tank refilled by an authorized Volkswagen dealer  
or an authorized Volkswagen Service Facility. If no authorized Volkswagen dealer or authorized  
Volkswagen Service Facility or other qualified workshop is available, you should refill at least  
1.5 gallons (5.7 liters) of AdBlue (3 AdBlue bottles). Refill only the type of AdBlue that Volkswagen has  
explicitly approved for your vehicle.  
If warning lights ~ and d both come on together, there is a malfunction. Volkswagen recommends that  
you take the vehicle to the closest qualified workshop.  
AdBlue® is a registered trademark of the German Association of the Automotive Industry (VDA) in the  
United States, Germany, the European Union and in other countries.  
Refilling AdBlue  
Fig. 176 At the right rear of the luggage compartment: AdBlue tank underneath a cover.  
Fig. 177 AdBlue tank with filler neck cap 1 and refill bottle 2.  
Please first read and note the introductory information and heed the WARNINGS  
When refilling AdBlue, the vehicle must be parked on a level surface, not on an incline or with the  
wheels on one side up on the curb. If the vehicle is not on level ground, the gauge that shows the fill  
level may not register the added quantity.  
Opening the tank filler neck  
Open the luggage compartment lid.  
Fold up cover ⇒ꢀfig. 176 (1).  
Unscrew the tank filler neck cap ⇒ꢀfig. 177 (1) counterclockwise and remove.  
Refilling AdBlue  
Only use Volkswagen-approved AdBlue that meets ISO 22241-1 requirements. Only use  
original packaging.  
Read and heed the information provided by the AdBlue refill manufacturer ⇒ꢀ  
Note the expiration date.  
.
Unscrew the cap of the refill container.  
Vertically insert the neck of the refill container (2) into the tank filler neck and turn clockwise to  
hand-tighten.  
Press the refill container in the direction of the tank filler neck and keep pressed.  
Add at least 1.5 gallons (5.7 liters) of AdBlue, which is 3 refill bottles. Adding a smaller  
amount is not sufficient.  
Wait until the contents of the refill container has flowed into the AdBlue tank. Do not squeeze or  
damage the refill container!  
Unscrew the refill container counterclockwise and lift it out carefully ⇒ꢀ  
AdBlue stops flowing from the refill bottle when the AdBlue tank is completely full.  
.
Closing the fuel filler neck  
Screw the fuel filler neck cap (1) clockwise onto the fuel filler neck until the cap locks into place.  
Close the cover.  
Things to do before driving again  
After refilling, switch on only the ignition.  
Leave the ignition switched on for at least 30 seconds so that system can detect the refill.  
Do not start the engine for 30 seconds!  
WARNING  
Store AdBlue only in its closed original container and in a safe place.  
To reduce the risk of poisoning, never keep AdBlue in empty food or beverage containers  
that might mislead someone into drinking from them.  
Always store AdBlue outside the reach of children.  
NOTICE  
Use only AdBlue that has been explicitly approved by Volkswagen. Using other types of  
AdBlue can damage your vehicle's engine.  
Never mix water or any other substances or additives with AdBlue. Damage caused by such  
additives will not be covered by any Volkswagen limited warranty.  
Never put AdBlue into the diesel fuel tank! Otherwise the engine may be damaged!  
Do not carry a refill container in the vehicle all the time or routinely. Due to temperature  
fluctuations and damage, the container could start leaking and the AdBlue could damage the  
vehicle interior.  
Dispose of the refill container in an environmentally-responsible manner.  
Appropriate AdBlue refill containers can be obtained from an authorized Volkswagen dealer or an  
authorized Volkswagen Service Facility.