If the vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to parts repaired or replaced to restore corrosion protection.
Original manufacturer replacement parts will provide the corrosion protection while maintaining the vehicle warranty.
Chevrolet Cobalt Service & Repair Manual. Ignition Switch, Replace
1.
Remove steering column trim covers.
2.
Disconnect ignition switch harness
connector.
3.
Turn ignition switch to Run position.
4.
Remove ignition switch screws, then
ignit ...