1999 Oldsmobile Cutlass Owner's Manual - Page 249
1999 Oldsmobile Cutlass Manual
Page 249 highlights
yellowblue Make sure that all six tabs are securely fastened to the backplate before reassembling the lamp. 8. When securing the lamp back into place, align the lamp so that the trunk lid doesn't contact it. Dome Lamp To change your dome lamp bulb, grasp the center front and center rear portion of the housing and squeeze firmly but gently. The housing should pop off. If this doesn't work, you may need to use a small flat-head screwdriver under the side of the housing to help pry it off. 5. Carefully remove the backplate by pulling the four outer tabs and two inner tabs sideways away from the backplate. 6. Gently wiggle the bulbs to remove them from the socket. Replace the bulb. 7. Reverse the steps to reassemble the rear lamp assembly and mount to the car. 6-35