If the vehicle can no longer be locked with the SmartKey, use the mechanical key.
- Open the driver's door.
- Close the front-passenger door, the rear doors and the tailgate.
- Press the locking button.
- Check whether the locking knobs on the front-passenger door and the rear doors are still visible. Press down the locking knobs by hand, if necessary.
- Close the driver's door.
- Take the mechanical key out of the SmartKey.
- Insert the mechanical key into the lock of the driver's door as far as it will go.

- Turn the mechanical key clockwise as far as it will go to position 1.
- Turn the mechanical key back and remove it.
- Make sure that the doors and the tailgate are locked.
- Insert the mechanical key into the SmartKey.

If you lock the vehicle as described above, the fuel filler flap is not locked. The antitheft alarm system is not armed.