Buick 2001 Century Owner's Manual page 286

Center High-Mounted Stoplamp
1. Open the trunk.
2. Reach through the access opening in the trunk.
6-36
3. Remove the old bulb by turning it one
turn counterclockwise.
4. Place the new bulb into the bulb socket.
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5. Turn the bulb one quarter turn clockwise to reinstall.
6. Close the trunk.
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quarter