See also:

Brake fluid
WARNING Over a period of time, the brake fluid absorbs moisture from the air; this lowers its boiling point. If the boiling point of the brake fluid is too low, vapor pockets may form in the ...

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. Check the battery in ...

Activating the rear view camera
•► Make sure that the SmartKey is in position 2 in the ignition lock. •► Make sure that the "rear view camera" function is selected in COMAND (see the separate operating i ...