2005 Cadillac STS Owner's Manual - Page 339

Back-Up Lamps 1. Open the trunk. 4. Turn the socket counterclockwise and pull it straight out to remove it from the lamp assembly. 5. Pull the old bulb straight out and reinstall the new bulb. 6. Reverse the steps to reinstall the lamp assembly. Replacement Bulbs Exterior Lamps Back-up Front Turn Signal Rear Sidemarker Bulb Number 3157K 3757KA W3W For replacement bulbs not listed here, consult your dealer. 2. Pull out the push pins holding down the top portion of the cloth cover. 3. Fold the cover down slightly and locate the lamp assembly. 5-49