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:

    Compass
    Calling up the compass To obtain a correct display in rear-view mirror 1, the compass must be calibrated and the magnetic field zone must be set. •► Press button 3 briefly. The compass ...

    Wet roads
    WARNING After driving in heavy rain for some time without applying the brakes or through water deep enough to wet brake components, the first braking action may be somewhat reduced. You h ...

    Low-beam headlamps (halogen headlamps)
    - Remove the cover in the front wheel arch. - Turn housing cover 1 counter-clockwise and pull it out. - Turn bulb holder 2 counter-clockwise and pull it out. - Take the bulb out of bulb holde ...