See also:

Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...

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 ...

Heated and Ventilated Seats
Heated and Ventilated Seat Buttons Shown, Heated Seat Buttons Similar If available, the buttons are on the climate control panel. To operate, the ignition must be on. Press to heat the seat c ...