Problems with the seat heating

The seat heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on.

•► Switch off electrical consumers which you do not need, such as the rear window defroster or interior lighting.

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    Problems with fuel and the fuel tank
    Problem Possible causes/consequences and Solutions Fuel is leaking from the vehicle. Risk of explosion or fireThe fuel line or the fuel tank is defective. Turn the ...

    High outside temperatures
    If DEF heats up to over 122 °F (50 °C ) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...