See also:

Replacing batteries in the headphones
The headphones use two AAA batteries. It is advisable to have extra batteries on hand during long trips. Battery cover and retaining screw 1. Unscrew the retaining screw and remove the batter ...

Returning to mode 0 from mode I
Open the driver's door. ...

Disconnecting an external device
The external device is automatically disconnected from the audio system if it is moved out of range ...