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:
Selecting the Alert Timing
The Collision Alert control is on the steering wheel. Press COLLISION ALERT to
set the alert timing to far, medium, near or off. The first button press shows the
current control setting on the D ...
Automatic Transmission
If the vehicle is a hybrid, see the hybrid supplement for more information.
Vehicles with an automatic transmission have an electronic shift position indicator within the instrument panel cluster. Th ...
Fifth-Wheel and Gooseneck Trailering
Fifth-wheel and gooseneck trailers can be used with many pickup models. These trailers place a larger percentage of the weight (kingpin weight) on the tow vehicle than conventional trailers. Make sure ...