See also:

Time Shifting — Pause and Rewind Live XM
The Radio with DVD Audio, HDD, and USB has the ability to rewind 60 minutes of XM content. While listening to the radio, the content from the current station is always being buffered to the ...

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 ...

Selective Ride Control
The vehicle may have a ride control system called Selective Ride Control. The setting can be changed at any time. Based on road conditions, steering wheel angle, and the vehicle speed, the system au ...