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Checking the oil level using the oil dipstick
Park the vehicle on a level surface. To check the oil level with the engine at normal operating temperature, switch the engine off and wait for approximately five minutes. Pull oil dipst ...

Problems with the seat ventilation
The seat ventilation 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. •► ...

Setting the center vents in the rear compartment
ear-compartment air vent thumbwheel ear-compartment air vent, right ear-compartment air vent, left To open/close: turn thumbwheel 1 up or down. ...