OnStar Services

See also:

Overview
A. (Power/Volume) B. (Eject) C. Mark Touch Screen Button D. (Zoom In) Touch Screen Button E. Map Scale F. North Up/Heading Up Symbol G. No GPS Symbol H. Full map Touch Screen Button I. So ...

Rear Compartment Fuse Block (CTS Coupe and Sedan)
The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block. The vehicle may not be equi ...

Connecting and Controlling a USB Drive
The infotainment system can only play back .mp3 and .wma files from a USB drive. Only the first 10,000 songs are recognized on the device. When a device is not supported, the message “No suppor ...