OnStar

See also:

Engine Speed Limiter
This feature prevents the engine speed from reaching an unsafe level. If the level is too high, the throttle closes or limits the fuel supply until the engine speed returns to a safe level. ...

Shutting the Engine Off After a Remote Start
To cancel a remote start, do any of the following: - Press until the parking lamps turn off. - Turn on the hazard warning flashers. - Turn the vehicle on and then back off. ...

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 ...