See also:

SmartKey
SmartKey 0 To remove the SmartKey Vehicles with automatic transmission: shift the transmission to position P 1 Power supply for some consumers, such as the windshield wipers 2 Ignition (power su ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Problems with the seat ventilation
The seat ventilation has switched off prematurely. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. Switch off electrical consumers whi ...