2004 Cadillac DeVille Owner's Manual - Page 334

Bulb Replacement For the proper type of replacement bulb, see Replacement Bulbs on page 5-58. For any bulb changing procedure not listed in this section, contact your dealer. Headlamps 1. Remove all of the push-pins that hold the filler panel cover in place by pressing in the center of each pin and then pulling up on the outer circle. Halogen Bulbs {CAUTION: Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package. 2. Remove the two bolts at the top of the headlamp assembly. 5-54