The fuel filler neck of diesel vehicles is equipped with a misfueling guard ⇒ fig. 278. The misfueling 
guard helps prevent filling the fuel tank of a diesel vehicle with gasoline, because the guard makes it 
difficult to insert any type of filler nozzle other than the type commonly used for diesel fuel. 
Damaged, worn out, or incorrect nozzles, as well as other means of refueling (portable fuel 
containers, for example) will generally not open the misfueling guard and fuel from these sources 
cannot easily flow into the tank. Using these incorrect or non-standard nozzles to refuel your diesel 
vehicle can cause fuel spills, which can cause fires, explosions, burns, and other severe injuries. 
The misfueling guard can generally only be properly opened with a correct nozzle from a standard 
diesel fuel pump. Under certain circumstances it may be necessary to turn the nozzle back and forth 
slightly with light pressure to open the misfueling guard. If the misfueling guard cannot be opened this 
way, see the nearest authorized Volkswagen dealer or authorized Volkswagen Service Facility and 
have the fuel system checked. 
 .WARNING 
Spilled fuel can cause fires, explosions, burns, and other severe injuries. 
 x Do not refuel from devices other than correct, undamaged standard diesel fuel pump 
nozzles. 
 x Always stop refueling once the pump nozzle switches off so that the tank does not 
overflow.  
 .NOTICE 
 x It is your responsibility to put the right fuel in your vehicle and any damage that results is 
not covered under the Emissions warranties or any other Volkswagen Limited Warranty. 
 x If you put any amount of the incorrect fuel in the fuel tank, do not start the engine under any 
circumstances. Immediately contact the nearest authorized Volkswagen dealer or authorized 
Volkswagen Service Facility for assistance. 
 x If diesel fuel should get on any rubber hose, it must be wiped off immediately. The same 
applies if diesel fuel gets onto other parts of the vehicle, especially paint, tires, or a plastic 
part. Wash the contaminated vehicle parts right away with soap and warm water to help 
prevent leaks and serious damage. 
 x Never force a fuel nozzle in the misfueling guard. If you have problems inserting a fuel 
nozzle, first check to make sure you are using the correct diesel fuel. If you are, go to a pump 
with the standard diesel nozzle. Forcing a fuel nozzle in the misfueling guard can damage it so 
that it can no longer help prevent misfueling. 
Fuel capacities 
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