GM Service Manual Online
For 1990-2009 cars only

Exterior Lamp

Bulb Number

Back-Up Lamp

921

Front Parking/Turn Signal Lamp

3157NAK

Headlamps

  • High-Beam

H9

  • Low-Beam

H11

Sidemarker Lamp

194

Stoplamps, Taillamps, and Turn Signal Lamp

3057

For replacement bulbs not listed here, contact your dealer.