Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
• the doors
• the trunk lid
• the fuel filler flap
1 
Locks the vehicle
2 
Unlocks the trunk lid
3 
Unlocks the vehicle
When unlocking, the turn signals flash once. When locking, they flash three times.
When it is dark, the surround lighting also comes on if it is activated in COMAND.
If you activate the acoustic locking
confirmation function, you will hear the
following, depending on the date of
production of the vehicle:
• an acoustic signal when locking
or
• one acoustic signal when unlocking and
three when locking.
The audible signal can be activated and deactivated using the on-board computer.
To unlock centrally: press the
button.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
• the vehicle is locked again.
• the theft deterrent locking system is armed
again.
To lock centrally: press the
button.
See also:
Setting the center air vents
Center air vent, left
Center air vent, right
Center vent thumbwheel, right
Center vent thumbwheel, left
To open/close: turn thumbwheels 3 and 4 up or down. ...
Control panel for dual-zone automatic climate control
Canada only
1. To activate/deactivate air-recirculation mode
2. To defrost the windshield
3. To switch the ZONE function on/off
4. Display
5. To set climate control to automatic
...
Using the rear center seat belt
If the left-hand rear seat backrest is folded down and back up again, the rear
center seat belt may lock. The seat belt can then not be pulled out.
To release the rear center seat belt: pull out ...