Chevrolet EXPRESS - 2011 Manual page 311

5. Disconnect the electrical
connector.
6. Turn the bulb counterclockwise
one quarter turn to remove it
from the headlamp assembly.
7. Install the new bulb into the
headlamp assembly and connect
the electrical connector.
8. Reverse the steps to reinstall
the headlamp assembly.
To prevent headlamp vibration
and shortened bulb life, be sure
to insert the headlamp assembly
tabs in the slots at the lower
portion of the housing,
A. Front Parking and Turn
Signal Lamp
B. Front Sidemarker Lamp
To replace the front turn signal,
sidemarker, and/or parking
lamp bulb(s):
1. Use a small tool to unlatch the
outboard clip on the lamp by
pushing inboard and prying the
lamp assembly forward.
2. Remove the lamp from the grille.
3. Turn the bulb socket
counterclockwise one quarter
turn and remove it from the
lamp assembly.
4. Remove the bulb from the
socket by pulling it straight out.
5. Replace the bulb.
6. Turn the bulb socket clockwise
to reinstall it in the lamp
assembly.