2010 Chevrolet Cobalt Owner's Manual - Page 323

4. Turn the bulb socket counterclockwise and pull it straight out of the taillamp assembly. 5. Pull the old bulb straight out of the bulb socket. 6. Push the new bulb straight into the bulb socket until it clicks. 7. Push the bulb socket into the taillamp assembly and turn it clockwise to lock it into place. 8. Push the wiring harness straight into the bulb socket and push down on the tab. 9. Reinstall the trunk trim and fastener. Taillamps, Turn Signal, Stoplamps and Back-up Lamps (Sedan) To replace one of these bulbs: 1. Open the trunk. 2. Remove the trunk trim and pull back fastener. 3. Remove the additional fastener. 4. Remove the outer two screws from the taillamp assembly. 5. Lift up on the tab and pull the wiring harness straight out. 6. Remove the taillamp assembly from the quarter panel. A. Sidemarker B. Stoplamp/Turn Signal/Taillamp C. Back-up 7. Turn the bulb socket counterclockwise and pull it straight out. 8. Pull the old bulb straight out of the socket. 9. Push the new bulb straight into the socket. 10. Push the new bulb into the taillamp assembly and turn it clockwise to lock it into place. 6-51