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:
Secondary Latch System
This vehicle has an underbody-mounted tire hoist assembly equipped with a secondary
latch system. It is designed to stop the spare tire from suddenly falling off your
vehicle. For the secondary la ...
Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one,
be inspected for signs of wear or damage at least once a month.
Replace the tire if:
The indicators at three or mo ...
DIC Operation and Displays
The DIC has different displays which can be accessed by using the DIC
buttons on the turn signal lever located on the left side of the steering
wheel. The DIC displays trip, fuel, vehicle system inf ...