See also:

Deactivating the REV alarm system
To deactivate the REV indicator light and buzzer functions of the REValarm system, set the thousands place of the alarm-level engine speed to “–”. ...

Models with Hands-free system
Press this button for more than 1.5 seconds if you wish to immediately cut the volume to zero. The audio display will show “MUTE”. If you press the button for more than 1.5 seconds again, the origin ...

FM reception
Although FM is normally static free, reception can be affected by the surrounding area, atmospheric conditions, station strength and transmitter distance. Buildings or other obstructions may cause ...