See also:

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 battery. ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and opt ...

Windows
Premium Trim Shown, Up-Level Similar The driver door has switches that control all windows, the passengers door switch only control that window. The power windows work when the ignition is in ON/ ...