7th Gen ('06-'07): Dumbest Question Ever
#2
Pop off the whole lens assembly, remove the dust cover, unplug, and then you just twist a 1/4 turn and pull straight out.
Here's a thorough picture-by-picture: GM Chevrolet Impala Headlight Bulbs Replacement Guide - Low Beam, High Beam, & Parking / Turn Signal - 2006 To 2011 Model Years
Here's a thorough picture-by-picture: GM Chevrolet Impala Headlight Bulbs Replacement Guide - Low Beam, High Beam, & Parking / Turn Signal - 2006 To 2011 Model Years