THEFTLOCK® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN). The radio does not operate if it is stolen or moved to a different vehicle.
Chevrolet Cobalt Service & Repair Manual. Ignition Lock, Replace
1.
Lower steering column to lowest position.
2.
Remove steering column upper and lower
trim covers.
3.
Remove theft deterrent control module.
4.
Depress first retainer through loc ...