See also:

OnStar®
If the vehicle has OnStar and you subscribe to the OnStar services, please refer to the OnStar Terms and Conditions for information on data collection and use. ...

Trip Information Button
(Trip Information): Press the trip information button to scroll through the ODOMETER, TRIP A, TRIP B, TIRE PRESSURES, and TIMER. Odometer: Press the trip information button until ODOMETER ap ...

When the Light Flashes First and Then Is On Steady
If the light flashes for about a minute and then stays on, there may be a problem with the TPMS. If the problem is not corrected, the light will come on at every ignition cycle. See Tire Pressure ...