See also:

Hiding a service message
Press the or button on the steering wheel. ...

Displaying destination information
Prerequisite: you have entered a destination and possibly an intermediate stop. To activate navigation mode: press the function button once or twice. To show the menu: press the COMAND ...

Tire tread
WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomme ...