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. Rear License Plate Lamp Bulb, Replace
1.
Remove rear license plate lamp assembly.
2.
Rotate license plate lamp socket (1)
1/4 turn to remove, Fig. 1.
3.
Remove license plate lamp bulb (2),
Fig. 1.
4.
Reverse proc ...