See also:

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

How to use the back button
Press the BACK button to return to the previous screen. ...

Cruise control operations
The cruise control allows driving at a speed between 25 - 89 MPH (40 - 144 km/h) without keeping your foot on the accelerator pedal. To turn on the cruise control, push the ON·OFF switch. The CRU ...