Other information:
Audio Unit
Press the button.
Touchscreen
To switch the display off:
Press Settings on the touchscreen.
Press Display Settings.
Press Display Off.
Note: The display defaults to on each time
you switch your vehicle on.
To switch the display on, press anywhere on
the touchscreen...
Removal
Remove the liftgate trim panel.
Refer to: Liftgate Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
Remove the keyless entry rear antenna.
Disconnect the keyless entry rear antenna electrical connector...