See also:

Volume control switch
Press the switch to the “+” side to increase the volume. Press the switch to the “−” side to reduce the volume. A number indicating the volume will be shown on the audio display. ...

Power switch and volume control
Type A and B audio Type C audio The dial is used for both power (ON/OFF) and volume control. The radio is turned ON and OFF by pushing the dial, and the volume is controlled by turning the dial. ...

Charge warning light
If this light illuminates when the engine is running, it may indicate that the charging system is not working properly. If the light illuminates while driving or does not turn off after the engine ...