2003 Buick Century Owner's Manual - Page 270
2003 Buick Century Manual
Page 270 highlights
Center High-Mounted Stoplamp (CHMSL) 1. Open the trunk. 3. Remove the old bulb by turning it one-quarter turn counterclockwise. 4. Push the new bulb into the bulb socket. 5. Turn the socket one-quarter turn clockwise to reinstall. 2. Reach through the access opening in the trunk lid. 5-53
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