See also:

Traction Control System (TCS) Warning Light
For vehicles with a Traction Control System (TCS) and StabiliTrak® warning light, this light comes on briefly when the engine is started. If it does not, have the vehicle serviced by you ...

Your Responsibility
Increase the volume of the radio if the OnStar advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Press and request a vehicle ...

Arming the System
To arm the system, press Q on the RKE transmitter. The alarm automatically arms after about 30 seconds. The security light, located on the instrument panel, flashes. PressVon the RKE transmitter t ...