Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Check Gas Cap Light
If your vehicle has this
light, it will come on if
your gas cap is not
securely fastened. ...
Infotainment System Overview
The infotainment system is
controlled by using the buttons on
the faceplate and the touch screen.
See “Infotainment Control Buttons”
in this section for more information.
A. VOL/ (Volum ...
Engine Oil
To ensure proper engine performance and long life, careful attention must be
paid to engine oil. Following these simple, but important steps will help protect
your investment:
Always use engin ...