Things added to the outside of the vehicle can affect the airflow around it. This can cause wind noise and can affect fuel economy and windshield washer performance. Check with your dealer/retailer before adding equipment to the outside of the vehicle.
Chevrolet Cobalt Service & Repair Manual. Rear Side Marker Lamp Bulb, Replace
Coupe
1.
Remove rear side marker lamp.
2.
Rotate rear side marker lamp bulb socket
(1) counterclockwise and remove from lamp housing, Fig.
1.
3.
Remove rear side marker lamp bulb (2),
Fig. 1.
...