The headlight adjustment screw is located behind the headlight on a 2005 Chevrolet Impala. Open the hood and look behind the headlight.
Look in the manual.
There is no fuse that is just for low beam. There is however a headlight fuse. Look in your owner's manual for the location.
the headlight relay is above the glove compartment. remove the glove compartment , look to the upper right
Look to the back of the headlight assembly. There will be a round sleeve where the wiring goes into the headlight. Twist this counterclockwise to turn the head light bulb assembly. Pull back on the assembly to remove it from the headlight casing. Replace with new headlight bulb.
If you look strait at the headlight on the turn signal side you will see a small screw. remove it and the light should come out.
Look to the right side of the road to the white line!
there are actually no screws. pop the hood and look for the plastic tabs above the headlight...one on each side of the headlight. pull them straight up and voila'.
Raise your hood and look on the frame that sits over your headlight. There should be a hole and if you look down in it you should see a screw. Turn it left/right to raise/lower headlight.
if you look down at the top of the headlight assm with the hood open,at the rear of the headlight assm you will see two long clips holding in the headlight assm. they run top to bottom. you have to pull these clips up and release them from the headlight assm. now pull out the whole assm and you will be able to access the bulb.
If you look in your owners manual there are step by step instructions on how to properly change the headlight bulbs in your truck.
When you open the hood look above the headlight for two round plastic caps. Pull these upwards, it releases the light assembly.