See also:

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning ...

Calling up the menu of a main function
1 To call up the audio menu 2 Main function bar If one of the main functions navigation, audio, telephone or video is switched on, triangle 1 appears next to the entry. You can now select ...

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