See also:

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

Locking and unlocking centrally
The SmartKey centrally locks/unlocks: - the doors - the tailgate - the fuel filler flap 1 Locks the vehicle 2 Opens/closes the tailgate 3 Unlocks the vehicle When unlocking, the turn signa ...

General notes
If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system w ...