QuestionHow to replace a head lamp?
AnswerHi
Here is the EXACT procedure from GM service
Remove the bolts (3) that retain the inboard edge of the headlamp.
Push the fascia downward.
Pull the headlamp slightly forward at the side marker.
Slide the headlamp outboard in order to disengage the locating pins.
Remove the headlamp.
Remove the electrical connectors
Hope this helps
Pawl