Chevrolet 2004 Monte Carlo Owner's Manual page 317

1. Open the hood.
2. Remove the air baffle.
3. Remove the two headlamp fasteners by pulling
up on them.
4. Gently pull the headlamp assembly away from the
vehicle and remove the electrical connector.
5. Remove the round dust caps to gain access to
the bulbs.
6. Turn the bulb counterclockwise and remove it from
the retaining ring by gently pulling it away from the
headlamp assembly.
7. Remove the electrical connector from the bulb by
raising the lock tab and pulling the connector away
from the bulb's base.
8. Install the electrical connector to the new bulb.
9. Install the new bulb by inserting the smallest tab on
the bulb base into the matching notch in the
retaining ring. Turn the bulb a quarter-turn clockwise
until it stops.
10. Reverse Steps 1 through 5 to reinstall the headlamp
assembly.
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