See also:

Coolant
Important safety notes The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks:  - corrosion protection  - antifreeze protection & ...

Time/date
This submenu is only available on vehicles with Audio 20. To set the time and the date for vehicles with COMAND, see the separate operating instructions. In the Time/date submenu, you can set the t ...

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. - Check the battery in ...