See also:

Treadwear indicators
Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached. ...

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 ...

Using the SmartKey
The SmartKey must be close to the driver's door handle. Point the tip of the SmartKey at the driver's door handle. Press and hold the button until the side windows and the panoram ...