Changing the battery
You require a CR 2025 3 V cell battery.
•► Take the mechanical key out of the SmartKey

•► Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery tray cover 1 opens.
When doing so, do not hold cover 1 shut.
•► Remove battery tray cover 1.

•► Repeatedly tap the SmartKey against your palm until battery 3 falls out.
•► Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
•► Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.
•► Insert the front tabs of battery tray cover 1 and then press to close it.
•► Insert the mechanical key into the SmartKey.
•► Check the function of all SmartKey buttons on the vehicle.
See also:
Interchanging the wheels
WARNING
Rotate front and rear wheels only if the tires are of the same dimension. If
your vehicle is equipped with mixed-size tires (different tire dimensions front
vs. rear), tire rotation ...
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 ...
Setting the brightness
Select Settings using the
button
and confirm with the button.
Select Brightness using the
buttons and press the button to
confirm.
A scale appears.
Adjust the brightness using the
...
