Cadillac 2005 DeVille - Manual (Page 322)

8. Pull the old bulb out of
the socket.
9. Install the new bulb into the socket. Make sure that
the bulb is locked in firmly.
10. Reinstall the headlamp housing socket into the
headlamp assembly.
11. Reinstall the headlamp assembly by reversing
Steps 2 through 6.
To reinstall the filler panel, do the following:
1. Place the filler panel in the correct location.
2. Reset each push-pin by holding each by the outer
circle while pushing up on the pin assembly from
below. The center portion of the push-pin should
now be above the outer circle.
3. After placing each push-pin into the opening, press
down on the outer circle until it is seated against
the surface of the filler panel.
4. Lock each push-pin in place by pressing the center
of each down until it is level with the outer circle.
Use care not to press down so far that the push-pin
releases again.
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