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:

    Sliding sunroof
    Important safety notes WARNING   When opening or closing the sliding sunroof, make sure that there is no danger of anyone being harmed by the opening/closing procedure. The sliding sun ...

    Locking and unlocking centrally
    The SmartKey centrally locks/unlocks: • the doors • the trunk lid • the fuel filler flap 1 Locks the vehicle 2 Unlocks the trunk lid 3 Unlocks the vehicle When unlocking, the turn signals ...

    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. ...