See also:

Blind Spot Alert
There are three selections when operating Blind Spot Alert. By pressing and releasing the SELECT button once, the Blind Spot Alert feature can be activated in “Blind Spot: Lights Only” mode. ...

Controls And Indicators
1. Power – Turns the screen and wireless headphone transmitter for the selected Channel on or off. To hear audio while the screen is closed, press the Power button to turn the headphone transm ...

Conference Call
When two calls are in progress (one active and one on hold), press and hold the button until you hear a double beep indicating that the two calls have been joined into one conference call. ...