See also:

How OnStar Service Works
: This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...

Auxiliary Devices
For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/ IntelliLink Features and Functions Guide for more information. The optional AUX input allows porta ...

Traction Control System (TCS)
The traction control system limits wheel spin. The system turns on automatically every time the vehicle is started. • To turn off traction control, press and release the Traction Control ...