See also:

Automatic Dimming Rearview Mirror with OnStar® and Compass
Your vehicle may have an automatic-dimming rearview mirror with a compass and the OnStar® system. There are three additional buttons for the OnStar® system. See your dealer for more informatio ...

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both cir ...

Horn
Press near or on the horn symbols on your steering wheel pad to sound the horn. ...