See also:

Station preset
Preset buttons ...

To increase the speed (by the “RES/ SET” switch)
Press the “RES/SET” switch to the “RES” side and hold it until the vehicle reaches the desired speed. Then, release the switch. The vehicle speed at that moment will be memorized and treated as ...

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. ...