See also:

Power switch and volume control
The dial is used for both power (ON/OFF) and volume control. The radio is turned ON and OFF by pressing the dial, and the volume is controlled by turning the dial. ...

Interior lights
When leaving your vehicle, make sure the lights are turned off to avoid battery discharge. ...

Forward direction
Type A and B audio Type C audio Turn the “TUNE/TRACK/CH” dial clockwise to skip to the beginning of the next track/file. Each time the dial is turned, the indicated track/file number will increase. ...