2001 Buick Regal Owner's Manual - Page 290

6. Turn the bulb socket one-quarter turn and remove it from the lamp. 7. Lift the plastic locking tab on the electrical connector and pull the connector from the headlamp bulb socket. 8. Connect the new headlamp bulb to the wiring harness, making sure the connector tab snaps into place. 9. Insert the bulb socket into the headlamp assembly. 10. Reverse all steps to reassemble the headlamp assembly, then check the lamps. 5. Remove the rubber access cover (from behind the bulb you are replacing). 6-39