The bulb plug is held into the back of the headlight assembly and can be removed by rotating the bulb plug assembly roughly 90 degrees counter clock-wise and pulling the bulb plug assembly out.
It is a tight fit to get your hands in, but try from the top with the hood open.
There are two bolts holding the headlight buckets in, you will need to remove them to get at the bulbs. The lens will come out and you will pull the bulbs out of the lens itself. They are hex head bolts, DO NOT TURN THE TORX SCREWS THEY ARE THE ADJUSTING POINTS FOR AIMING.
Remove the headlight assemblies and you will have access to the signal bulbs. See sources and related links below for bulb information.
Bulbs are replaced from rear of headlight. See answer to similar questions for how to do.
If you look in your owners manual there are step by step instructions on how to properly change the headlight bulbs in your truck.
you will probably have to loosen the complete light assembly so you can get you hand in back of the light to change the bulbs, once you can get to them unplug the wires to the bulb and then either pull or twist the bulb out.
Nicole
To change a headlight on a 1999 Acura TL open the hood and locate the bulbs which are plugged into the housings. Loosen the bulbs and pull them off. Replace them.
Before replacing the headlight bulbs on a 1997 Acura CL prop the hood open. Locate the headlight housing and remove the old bulbs. Install the new lights.
Open the hood. On top of the headlight assemblies, there's a curved metal rod. Pull that out, and you can pull the headlight assembly right out. From there, you turn the bulb ballasts counterclockwise and pull them out, and you can either replace the bulbs at that point, or the whole headlight assembly if necessary.
The headlight assembly (aka the headlight bucket) is removable by releasing the lock tabs behind the assembly. Once the assembly is wiggled out in the open you can easily replace the bulbs.
LIFT THE CLIPS AND PULL IT OUT
You need three Polocks!