See also:

Locking the vehicle (mechanical key)
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 lockin ...

Checking tire pressure electronically
  Make sure that the SmartKey is in position 2 in the ignition lock.   Press the or button on the steering wheel to select the Service menu.   Press the or button to sel ...

Setting the front-compartment airflow using the front control panel
You can select different airflow settings for the driver's and front-passenger sides as well as for the rear compartment. You can also use COMAND to set the airflow. Turn the SmartKey to positi ...