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:

    Cleaning the trailer tow hitch
    The ball coupling must be cleaned if it becomes dirty or corroded. Remove rust on the ball of the ball coupling, e.g. with a wire brush. Remove dirt with a clean, lint-free cloth or a brush. A ...

    Adjusting the head restraint heightelectrically
    ► To adjust the head restraint height: slide the switch for head restraint adjustment up or down in the direction of the arrow. ...

    Alphabetical track selection
    iPod® and MP3 players This function is available for alphabetically sorted categories and folders. This function is not available for albums or playlists, for example. Select a category, e.g. ...