1993 Buick LeSabre Owner's Manual - Page 253

Lift the headlamp away from the Pull the bulb car. socket straight out. Turn the bulb socket1/4 turn counter-clockwise7while pressing it firmly. Remove the wire connector from the bulb by lifting the lock tab and pulling it away from theplastic base. To install, attach thewire connector (A) to the plastic base making sure thelock tab (B) is over thelock (C). Install the bulb by putting the small tab (D) into the small notch in the lamp (E). Turn the bulb socket 1/4 turn clockwise to lock it into place. 251