Smart Key battery
See also:
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 ...
Checking the battery
Press the or
button. The battery is working
properly if battery check lamp 1 lights up briefly
If battery check lamp 1 does not light up briefly during the test, the battery
is discha ...
Important safety notes
Observe the "Important safety notes" section ().
ABS regulates brake pressure in such a way that the wheels do not lock when you
brake. This allows you to continue steering the vehicle ...