See also:

StabiliTrak® System
Your vehicle is equipped with StabiliTrak®, Electronic Stability Control (ESC) which combines antilock brake, traction and stability control systems and helps the driver maintain directional cont ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS. ...