See also:

Remote Keyless Entry (RKE) System Operation
The Remote Keyless Entry (RKE) transmitter functions work up to 60 m (195 feet) away from the vehicle. There are other conditions which can affect the performance of the transmitter. See Remote K ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...

Rocking Your Vehicle to Get It Out
First, turn the steering wheel left and right. That will clear the area around the front wheels. Then shift back and forth between REVERSE (R) and a forward gear, spinning the wheels as little ...