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. ...

Activating RSE
The RSE system can be activated using controls on the front or rear screens. From the front seat, press MEDIA (see the following illustration) and select RSE. From the rear seat, press the scree ...

Deactivation
Move the gear selector from R to another position. There is a slight delay in the PAC system, which means that the view from behind the vehicle will remain on the screen for approximately 15 se ...