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:
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer/retailer.
Maintenance Replacement Parts
...
Cruise Control
Cruise Control
The cruise control buttons are located on the steering wheel.
Press to turn the cruise control system on and off. An indicator light will turn on or off in the instrument panel clus ...
Why Safety Belts Work
When you ride in or on anything, you go as fast as
it goes.
Take the simplest vehicle. Suppose it is just a seat on
wheels.
Put someone on it.
Get it up to speed. Then stop the vehicle. T ...