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:
Adjustable Throttle and Brake Pedal
On vehicles with this feature, you can change the position of the throttle and brake pedals.
No adjustment to the pedals can be made when the vehicle is in R (Reverse) or while using cruise control.
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Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio.
This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on.
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Tires
Tires need to be properly inflated, rotated, and balanced. Maintaining the tires can save money, fuel, and can reduce the risk of tire failure.
• Signs that the tires need to be replaced include th ...