Chevrolet 2001 Impala Owner's Manual page 326

Back-Up Lamp
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The back up lamps are located in the rear of the trunk
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lid. To change the back up lamp bulbs do the following:
1. Open the trunk.
2. Remove the nine wing nuts.
3. Pull the rear applique away from the vehicle.
4. To remove a socket press the tab, turn the socket
counterclockwise and pull it out.
5. Pull the old bulb out. Do not twist it.
6. Push the new bulb into the socket.
7. Reinstall the socket in the assembly. Tighten the
socket by turning it clockwise.
8. Reinstall the applique and the nine wing nuts.
Rear Courtesy Lamps
The courtesy lamps are located in the assist handles
above the rear passenger doors. To change the rear
courtesy lamp bulbs do the following:
1. Remove the lens covers from the assist handle
assembly using a small coin.
2. Remove the old bulb from the small prongs
extending from the dome lamp base plate;
hook the new bulb onto the prongs.
3. Reinstall the lens cover.
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