See also:

Problems with the SmartKey
Problem Possible causes/consequences and  Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged ...

Problems with PARKTRONIC
Problem Possible causes/consequences and Solutions Only the red segments in the PARKTRONIC warning displays are lit. You also hear a warning tone for approximately two ...

Setting the rear-compartment air vents
Setting the center vents in the rear compartment Setting the center vents in the rear compartment 1 Rear-compartment air vent thumbwheel 2 Rear-compartment air vent, right 3 Rear control panel f ...