Chevrolet 2001 Cavalier Owner's Manual page 277

Taillamps and Rear Turn Signal Lamps
To replace a bulb, do the following:
1. Remove the fastener which holds down the trunk
trim. On vehicles without a convenience net, pry the
fastener loose. On vehicles with a convenience net,
remove the net and unscrew the fastener. Then pull
down the trunk trim.
2. Remove the assembly by turning it one
turn counterclockwise.
3. To remove the bulb, pull it out.
4. Push in a new bulb.
5. Reverse all steps to reinstall the taillamp assembly.
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