GM Service Manual Online
For 1990-2009 cars only

Exterior Lamp

Bulb Number

Back-up

3057KX

Front Turn Signal, DRL and Parking

3157NAK

High-Beam and Low-Beam Headlamps

H11

Sidemarker

194

Stoplamp, Taillamp and Turn Signal

3057KX

For replacement bulbs not listed here, contact your retailer.