See also:

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 ...

Entering the Feature Settings Menu
1. Turn the ignition on and place the vehicle in P (Park). To avoid excessive drain on the battery, it is recommended that the headlamps are turned off. 2. Press the customization button to scroll ...

Recording from MP3/WMA Discs or USB Storage Devices
USB Host Support The USB connector uses the USB standards, 1.1 and 2.0. USB—Supported Devices - USB Flash Drives - Portable USB Hard Drives Recording to MEM Press REC, then select “Rec ...