Here are pages straight out of the 07 Aura Owner's Manual:
Bulb Replacement
For the type of bulb to use, see Replacement
Bulbs on page 344.
For any bulb changing procedure not listed in this
section, contact your retailer.
Halogen Bulbs
{CAUTION:
Halogen bulbs have pressurized gas
inside and can burst if you drop or
scratch the bulb. You or others could be
injured. Be sure to read and follow the
instructions on the bulb package.
Taillamps, Turn Signal, Sidemarker,
Stoplamps and Back-up Lamps
A. Turn Signal
Lamp
B. Stoplamp/Taillamp
C. Backup Lamp
D. Sidemarker
Lamp
If a stoplamp or a taillamp needs to be replaced,
you will need to see your Saturn retailer.
342
To replace a sidemarker lamp, turn signal lamp, or
a back-up lamp, do the following:
1. Open the trunk. See Trunk on page 102 for
more information.
2. Remove the convenience net, if the vehicle
has one.
3. Remove the wing nuts holding the trunk trim.
4. Remove the three wing nuts, which hold the
taillamp assembly, from inside the vehicle.
5. Remove the taillamp assembly.
6. Remove the wiring harness from the taillamp
assembly by lifting the release tab.
7. Turn the bulb socket counterclockwise to
remove it.
8. Pull the bulb from the socket.
9. Install a new bulb.
10. Reverse Steps 2 through 6 to reinstall the
taillamp assembly.
343
License Plate Lamp
To replace the license plate lamp bulb, do the
following:
1. Remove the two screws holding the license
plate lamp assembly to the fascia.
2. Turn and pull the license plate lamp forward
through the fascia opening.
3. Turn the bulb socket counterclockwise and
pull the bulb straight out of the socket.
4. Install the new bulb.
5. Reverse Steps 1 through 3 to reinstall the
lamp assembly.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 921
License Plate Lamp and Rear
Sidemarker Lamp 168
Turn Signal Lamp 3156
For replacement bulbs not listed here, contact
your retailer.