Saturn ASTRA 2009 Manual page 215

To replace one of these bulbs:
1. Open the liftgate.
2. To replace the bulbs on the
driver side, turn both locks
and remove the cover.
To replace the bulbs on the
passenger side, turn the
lock clockwise and remove
the cover.
3. Detach the plug connector from
the bulb assembly.
4. Turn the nuts counterclockwise
and hold the outside of taillamp
assembly.
5. Pull the taillamp assembly
straight out.
6. Remove the three nuts.
7. Press on the tabs on the outside
of bulb assembly and remove the
bulb assembly.
8. Remove the bulb from the bulb
assembly.
Vehicle Service and Care
9. Install a new bulb without
touching the glass.
10. Reinstall the bulb assembly in
taillamp assembly.
11. Make sure the seals are applied
to the taillamp assembly and
screws.
12. Insert the taillamp assembly
into the body.
13. Reinstall the three nuts.
14. Attach the plug connector to the
bulb assembly.
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