See also:

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, ...

Engine Compartment Fuse Block (CTS Wagon)
This fuse block is on the left side of the engine compartment. Lift the fuse block cover to access the fuses. The vehicle may not be equipped with all of the fuses and relays shown. Notic ...

Arming the System
To arm the system: 1. Open the door. 2. Lock the door with the transmitter. The security light should come on and stay on. 3. Close all doors. The security light should go off after about 3 ...