Buick 2002 Century - Manual (Page 283)

6-33
Headlamps
1. Open the hood.
2. Pull up on the headlamp retainers (A) to release the
assembly locator tabs.
3. Disconnect the electrical connector (B) from the
headlamp assembly.
4. Slide the headlamp assembly out of the slots.
5. Remove the rubber access cover from behind the
bulb you are replacing.