See also:

REV indicator light (STI)
This light illuminates when the engine speed reaches a level set by driver or when the tachometer needle enters the red zone. ...

Air filtration system
Replace the filter element according to the replacement schedule as follows. This schedule should be followed to maintain the filter’s dust collection ability. Under extremely dusty conditions ...

MUTE button (models without Hands-free system)
Press the “” button if you wish to immediately cut the volume to zero. The audio display will show “MUTE”. If you press the button again, the original sound volume will return and “MUTE” t ...