OnStar

See also:

Ultrasonic Parking Assist
If available, Ultrasonic Front and Rear Parking Assist (UFRPA) uses sensors on the front and rear bumpers to detect objects while parking the vehicle. It operates at speeds less than 8 km/h (5 mph). ...

Tips and Troubleshooting Chart
...

Conditions in Which Remote Start Will Not Work
The remote vehicle start feature will not operate if any of the following occur: - The ignition is in any position other than LOCK/OFF. - A keyless access transmitter is inside the vehicle. ...