See also:

Decoupling a trailer
WARNING Vehicles with air suspension program: While you are coupling or decoupling a trailer, make sure nobody locks or unlocks the vehicle and/or opens or closes doors or the tailgate. The v ...

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 e ...

Engine
Display messages Possible causes/consequences and Solutions The coolant level is too low. – Add coolant, observing the warning notes when doing so. – If coolant needs ...