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:
When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for new t ...
Conditions in Which Remote Start Will Not Work
The remote vehicle start feature will not operate if:
The key is in the ignition (key access) or if the key is in the vehicle
(keyless access).
The hood is not closed.
The hazard warning fl ...
Automatic Transmission Shift Lock
This vehicle has an electronic shift lock release system.
The shift lock release is designed to:
• Prevent ignition key removal unless the shift lever is
in P (Park).
• Prevent movement of th ...