1995 Buick Riviera Owner's Manual - Page 245
1995 Buick Riviera Manual
Page 245 highlights
3. Pull the taillamp assembly away from the vehicle carefully, to avoid scratching the paint. The taillamp has safety straps to help you hold the assembly while replacing the bulb. 4. Remove the bulb socket assembly by squeezing the plastic lock and turning it 1/4 turn counterclockwise. 6-36