GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 STS 🢒 Service and Appearance Care 🢒 Bulb Replacement 🢒 Replacement Bulbs

Exterior Lamps

Bulb Number

Back-up

3157K

Front Turn Signal

3757KA

Rear Sidemarker

W3W

For replacement bulbs not listed here, contact your dealer.