Saturn 2004 L-Series - Manual (Page 297)

3. Remove fasteners from backside of taillamp
housing.
4. Remove taillamp housing from body of vehicle.
5. Turn the bulb socket being replaced
counterclockwise one–quarter of a turn while
pressing the socket in firmly. Pull the socket
rearward until the bulb clears the taillamp housing.
6. Replace it with the appropriate bulb.
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