OnStar

See also:

Battery
Your vehicle has a maintenance free battery. When it is time for a new battery, get one that has the replacement number shown on the original battery’s label. We recommend an ACDelco® replace ...

Entering the Feature Settings Menu
1. Turn the ignition on and place the vehicle in P (Park). To avoid excessive drain on the battery, it is recommended that the headlamps are turned off. 2. Press the customization button to enter ...

Entry Lighting
The headlamps, taillamps, license plate lamps, back-up lamps, dome lamps, and most of the interior lights turn on briefly when the Remote Keyless Entry (RKE) button is pressed, or when the ...