Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle.
To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gasoline advertised as TOP TIER Detergent Gasoline.
See also:
Ride Control System Messages
ALL WHEEL DRIVE OFF
This message displays when the
All-Wheel Drive (AWD) System has
been turned off. See All-Wheel
Drive.
SERVICE ALL WHEEL DRIVE
SYSTEM
This message displays when there
i ...
Braking
See Brake System Warning Light .
Braking action involves perception time and reaction time. Deciding to push the brake pedal is perception time. Actually doing it is reaction time.
Average reaction ...
Onstar.com
The website provides access to
account information, manages the
OnStar subscription, and allows
viewing of videos of each service.
Get subscription plan pricing and
sign up for OnStar Vehicle ...