See also:

Windows
WARNING! Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death ...

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

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 ...