See also:

Cruise Control Messages
CRUISE SET TO XXX MPH (KM/H) This message displays whenever the cruise control is set. See Cruise Control for more information. ...

Vehicle Personalization
Your vehicle may have customization capabilities that allow you to program certain features to one preferred setting. Customization features can only be programmed to one setting on the vehicle an ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...