See also:

Accessory Power Outlet(s)
The accessory power outlets can be used to plug in electrical equipment, such as a cellular telephone. The vehicle may have up to three power outlets depending on the type of front seat installed ...

Recording Tracks to MEM (Radio with CD/DVD/MEM)
See Mass Storage Media (MEM) for more information. ...

Using Voice Commands During a Planned Route
Cancel Route 1. Push . System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?”. 2. Sa ...