See also:

Electric Power 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 battery. ...

Engine Coolant Temperature Warning Light
This light comes on briefly while starting the vehicle. If it does not, have the vehicle serviced by the dealer/retailer. If the system is working normally the indicator light goes off. Noti ...

OnStar®
For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling servi ...