To access service menu in i-drive cars:
1. From the main menu display, press the controller down for minimum 6 seconds.
2. Turn the controller 3 increments clockwise (to the right).
3. Turn the controller 3 increments counter-clockwise (to the left).
4. Turn controller 1 increment clockwise (right).
5. Turn controller 1 increment counter-clockwise (left).
6. Turn controller 1 increment clockwise (right).
7. Push down on the controller.
8. To exit the service mode, select the return arrow at the bottom on the left of the screen.