See also:

Tire Messages
TIRE PRESSURE LOW ADD AIR TO TIRE On vehicles with the Tire Pressure Monitor System (TPMS), this message displays when the pressure in one or more of the vehicle's tires is low. The low ti ...

Automatic Crash Response
In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help. ...

eAssist® Overview
If the vehicle has eAssist, there are several additional features which contribute to increased efficiency. Vehicles with eAssist have an automatic engine start/stop feature. This feature save ...