See also:

OnStar Additional Information
Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ow ...

Coverage
Services are provided up to 5 years/100,000 miles (160 000 km), whichever comes first. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving the vehicle without permissi ...

Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the batter ...