See also:

Ride Control System Messages
SERVICE REAR AXLE This message displays when there is a problem with the All-Wheel Drive (AWD) System. See your dealer for service. SERVICE STABILITRAK This message displays if there is a pr ...

How the System Works
The SBZA symbol lights up in the side mirrors when the system detects a vehicle in the side blind zone, indicating it may be unsafe to change lanes. Before making a lane change, check the SBZA dis ...

Privacy
The complete OnStar Privacy Statement may be found at www.onstar.com. Privacy-sensitive users of wireless communications are cautioned that the privacy of any information sent via wireless c ...