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.

SmartKey and replace it if necessary. Check the battery in the SmartKey and replace it if necessary.
mechanical key. Unlock the driver's door using the mechanical key.
mechanical key. Lock the vehicle using the mechanical key.
battery contacts checked at a qualified specialist workshop. Have the starter battery and the battery contacts checked at a qualified specialist workshop.

If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.

    See also:

    Child-proof locks for the rear doors
    WARNING Children could open a rear door from inside the vehicle. This could result in serious injuries or an accident. Therefore, when children ride in the rear always secure the rear doors ...

    Activating video DVD mode
    Option 1 Insert a video DVD. COMAND loads the medium inserted and starts to play it. Option 2 Select Video in the main function bar by sliding and turning the COMAND controller and pres ...

    Cruise control lever
    1. To switch on or to increase the speed 2. To switch on or to reduce the speed 3. To deactivate cruise control 4. To switch on with the current speed or with the last stored speed Wh ...