See also:

Call volume
Call volume can be only be adjusted during a call. Use the buttons in the steering wheel keypad or the infotainment system’s VOL control. ...

Neutral position (N)
No gear is engaged and the engine can be started with the gear selector in this position. Apply the parking brake if the vehicle is stationary with the gear selector in position N. ...

Removing the headlight housing
1. Switch off the ignition by briefly pressing the START/STOP ENGINE button. 2. Remove the remote key from the ignition slot1. 3. (Upper illustration under "Headlight housing"). &nb ...