See also:

Tires
WARNING Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may lose control of the vehicle. Continued driving with a flat tire will cause exce ...

Bead
The tire bead ensures that the tire sits securely on the wheel. There are several steel wires in the bead to prevent the tire from coming loose from the wheel rim. ...

Multifunction steering wheel
Multifunction steering wheel Function 1 Multifunction display 2 Audio system/COMAND; see the separate operating instructions 3 Switches on the Voice Control System; see the separate operating ...