Chevrolet 2003 Impala Owner's Manual page 309

1. Open the hood.
2. Remove the air baffle.
3. Remove the two headlamp fasteners by pulling up
on them.
4.
5.
6 .
7.
8.
Gently pull the headlamp assembly away from the
vehicle and remove the electrical connector.
Remove the round dust caps to gain access to
the bulbs.
Turn the old bulb counterclockwise and remove it
from the retaining ring by gently pulling it away
from the headlamp.
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 bulb.
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