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:
Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine
has cooled down.
Turn the SmartKey to position 2 () in the ignition lock. On
vehicles with KEYLESS-GO, press ...
Lights
Display messages about LEDs:
This display message will only appear if all LEDs have failed.
Display messages
Possible causes/consequences and
Solutions
The left or ri ...
Exterior mirror out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
- Vehicles without electrically folding
exterior mirrors: move the exterior mirror
into the correct position manually. ...
