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 Schedule
Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation pressures. See Tire Pressure.
- Inspect the tires fo ...
Tumbling the Third Row Seat
To tumble the seat:
1. Open the liftgate to access the controls for the seat.
2. Make sure the headrests are completely lowered and there is nothing under,
in front of, or on the seat.
3. Fold th ...
USB Port
For vehicles with a USB port, the following devices may be connected and
controlled by the infotainment system.
- iPods®
- PlaysForSure Devices (PFD)
- USB Drives
- Zunes
Not all iPods, PFDs ...






