2004 Cadillac CTS-V Owner's Manual - Page 341

Back-Up and License Plate Lamps 5. Turn the bulb socket one-quarter turn counterclockwise and pull the bulb and socket out of the lamp reflector. 6. Pull the old bulb from the bulb socket keeping the bulb straight as you pull it out. 7. Install a new bulb. 8. Reverse the steps to reinstall the lamp assembly. Replacement Bulbs For any bulb not listed here contact your dealer. A. Back-Up Lamps B. License Plate Lamps 1. Open the trunk using the trunk button on the remote keyless entry transmitter or the trunk release button located on the lower part of the driver's door. 2. Remove the cloth cover on the trunk lid by pulling out the three push-pins located on the underside of the trunk lid. 3. Remove the eight mounting nuts from the underside of the trunk lid by turning the nuts counterclockwise. 4. Pull the lamp assembly away from the vehicle to expose the bulb sockets. Exterior Lamp Back-Up Lamps Fog Lamps Front and Rear Turn Signal Lamps License Plate Lamps Rear Sidemarker Lamps Stoplamps Taillamps Bulb Number 3157K 9145 3157K W5WLL 3157K 3157K 3157K 5-55