2012 Chevrolet Impala Owner's Manual - Page 257

Vehicle Care 10-27 Taillamps, Turn Signal, Sidemarker, Stoplamps, and Back-Up Lamps To replace one of these bulbs: 1. Open the trunk. See Trunk on page 2‑9. 2. Remove the convenience net (if equipped). Unhook the net from the upper wing nut. 5. Turn the two hex nuts counterclockwise to remove them. A. Rear Sidemarker Lamp B. Back-up Lamp C. Stoplamp/Taillamp/Turn Signal 3. Turn the upper wing nut counterclockwise and remove it. 4. Pull the carpet away from the rear of the vehicle. 6. Pull out the taillamp assembly and disconnect the wiring harness. 7. Turn the bulb socket counterclockwise to remove it. 8. Pull the old bulb straight out to remove it. 9. Push the new bulb straight in until it clicks to install it. 10. Reverse steps 1 through 7 to reinstall.