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.