1993 Buick Roadmaster Owner's Manual - Page 269
1993 Buick Roadmaster Manual
Page 269 highlights
5. . I _ Bulb Replacement . . I _ , . . - . ji . I . Install the bulb by putting the sriJall tab-(D) t o the h small notch in the lamb (E). PGt the 'retainer: on and.turn it 1/4 t u n clockwise (to the.right).'tolock it into place. . J;: .. I..' Remove-thetwo Phillips @ head screws; For .theright-side taillight, remove The housing that covers the spare tire'. For the left-side taillight, open the ldcking rearstorage compartment. 267