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.

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.
Lock the vehicle.
contacts checked at a qualified specialist 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:

    Service for recovering a stolen vehicle
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    Resetting the panorama roof with power tilt/sliding panel and the roller sunblinds
    Reset the panorama roof with power tilt/sliding panel and the roller sunblinds if the panorama roof with power tilt/sliding panel or the roller sunblinds do not move smoothly. Turn the SmartKe ...

    Crash-responsive emergency lighting
    The interior lighting is activated automatically if the vehicle is involved in an accident. ► To switch off the crash-responsive emergency lighting: press the hazard warning lamp button. ...