See also:

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 ...

Setting Cruise Control
If the cruise button is on when not in use, it could get bumped and go into cruise when not desired. Keep the cruise control switch off when cruise is not being used. The cruise control light on th ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...