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:

    Locking and unlocking centrally
    The SmartKey centrally locks/unlocks: - the doors - the trunk lid/tailgate - the fuel filler flap When unlocking, the turn signals flash once. When locking, they flash three times When ...

    Problems with fuel and the fuel tank
    Problem Possible causes/consequences and Solutions Fuel is leaking from the vehicle. Risk of explosion or fireThe fuel line or the fuel tank is defective. - Turn the S ...

    Switching to radio mode
    Option 1 Press the function button. The radio display appears. You will hear the last station played on the last waveband. Option 2 Select Audio in the main function bar by sliding and tur ...