See also:

How to use the SETTING button
When the SETTING button is pressed, the Settings screen will appear on the display. You can select and/or adjust several functions, features and modes that are available for your vehicle. ...

Trailer hitch
Choose a proper hitch for your vehicle and trailer. Make sure the trailer hitch is securely attached to the vehicle, to help avoid personal injury or property damage due to sway caused by crosswind ...

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). ...