See also:

USB-Supported File and Folder Structure
The radio supports: • Up to 700 folders • Up to eight folders in depth • Up to 65,535 files. • Folder and file names up to 64 bytes • Files with an .mp3 or .wma file extension • AAC ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...

Store a Name Tag for Speed Dialing
1. Push . System responds: “OnStar ready.” 2. Say “Store.” System responds: “Please say the number you would like to store.” 3. Say the entire number without pausing. System responds: � ...