See also:

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...

Removing the Spare Tire and Tools
The equipment you need is located in the trunk. 1. Open the trunk. 2. Remove the spare tire cover. 3. Turn the retainer nut counterclockwise and remove the spare tire. 4. Place the spare t ...

ENGINE OVERHEATED — IDLE ENGINE
This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...