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.

•► Check the battery in the SmartKey and replace it if necessary.

•► Unlock the driver's door using the mechanical key.

•► Lock the vehicle using the mechanical key.

•► 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:

    Checking the coolant level
    Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. Turn the SmartKey to position 2 in the ignition lock. On vehicles with KEYLESS-GO, press th ...

    Notes on driving
    If the vehicle is heavily laden, check the tire pressures and correct them if necessary. When parking your vehicle, make sure that the tires do not get deformed by the curb or other obstacl ...

    Front fog lamps
    Only vehicles with front fog lamps have the fog lamps function. WARNING If you suspect that driving conditions will be foggy, turn the light switch to before you start your journey. Otherwise ...