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 ...

Turning the System On or Off
VOL/ (Volume/Power): Press to turn the system on and off. Automatic Switch-Off If the infotainment system has been turned on after the ignition is turned off, the system will turn off autom ...

Towing the Vehicle
Notice: To avoid damage, the disabled vehicle should be towed with all four wheels off the ground. Care must be taken with vehicles that have low ground clearance and/or special equipment. Always ...