2007 Chevrolet Cobalt Owner's Manual - Page 328

5. Pull the headlamp assembly up on an angle and towards the radiator to remove it. 6. Disconnect the bulb base from the wiring harness by lifting the plastic locking tab. 7. To replace a headlamp bulb, do the following: 7.1. Disconnect the wiring harness from the bulb socket. 7.2. Remove the black retainer by turning it counterclockwise. 8. Turn the bulb socket for the headlamp, front turn signal, or parking lamp counterclockwise. For the sidemarker bulb, you will need to use a tool to assist in turning the bulb socket. 9. Pull the old bulb out of the socket. 10. Install a new bulb. 11. Reinstall the bulb assembly by reversing Steps 1 through 8. When reinstalling the headlamp assembly, first make sure that the wiring harness is in its original position. If not, the headlamp assembly will not fit correctly. You will also need to line up the two tabs on the bottom of the assembly that fit into two slots in the headlamp assembly bracket. Center High-Mounted Stoplamp (CHMSL) To replace a CHMSL bulb, do the following: 1. Open the trunk. See Trunk on page 100 for more information. 2. Locate the CHMSL bulb assembly in the trunk lid. 3. Press the plastic tabs to release the bulb assembly. 328