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:
Owner Checks and Services
At Each Fuel Stop
○ Check the engine oil level. See Engine Oil on page 10‑10.
Once a Month
○ Check the tire inflation pressures. See Tire Pressure on page 10‑51.
○ In ...
Entering and Exiting the Third Row
WARNING
Using the third row seating position while the second row is folded, or folded and tumbled, could cause injury in a sudden stop or crash. Be sure to return the seat to the passenger seating p ...
Tips and Troubleshooting Chart
Problem
Recommended Action
There is no power.
The ignition might not be turned to ON/RUN or ACC/ ACCESSORY.
The picture does not fill the screen. There are black bor ...





