Chevrolet 2003 Monte Carlo Owner's Manual page 290

3. Remove the two headlamp fasteners by pulling up
on them.
6. Turn the bulb counterclockwise and remove it from
the retaining ring by gently pulling it away from the
headlamp assembly.
10.
7 .
8.
9.
4. Gently pull the headlamp assembly away from the
vehicle and remove the electrical connector.
Remove the electrical connector from the bulb by
raising the lock tab and pulling the connector away
from the bulb's base.
install the electrical connector to the new bulb.
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.
Reverse Steps 1 through 5 to reinstall the headlamp
assembly.
5. Remove the round dust caps to gain access to
the bulbs.
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