If all you're trying to do is change the bulbs, they can be accessed (barely) through the plastic doors in front of the tires. Pain in the rear to get to, but you can twist the sockets to pop them loose from the housing and replace the bulbs.
Remove the tail light cover in the cargo compartment. Remove the wiring harness. Remove the blinker retaining screws. Reverse the process to install the new blinker.
You remove the headlight to gain access to the back of the blinker housing, you can reach into the back of it and pull out the light and cable it's attached to. It's a pain.
The parking lights on a two-door 1990 Acura Integra hatchback are located in between the headlights and the blinker lights. Replacement requires a size 3652 parking light bulb.
Remove the headlight assembly and you will have access to the parking light bulb.
To replace the parking light bulbs, remove the screw on top of the headlight and pop out the clearance light. The parking light bulb will be accessible after this removal.
A brake light on a 1999 VW can be accessed through the rear of the vehicle. Locate and remove the plastic covers for the light housings. Remove the bulbs. Replace with new units.
To replace front parking light on a 1999 Ford Taurus, lift the hood and remove the bolt holding the parking light housing cover. Twist the parking light off and replace with a new one.
Remove the headlight assembly to gain access to the parking light socket/bulb.
If you are talking about the turn signal light. You have to remove one screw that holds the turn signal onto the frame of the car. Just look down staring at the turn signal and you will see it. Remove the screw, move the blinker forward and then remove and replace the light bulb. Reverse directions to reinstall.
Remove the connector from the back of your 2003 Cadillac parking light assembly. Take hold of the lightbulb, push in and turn at the same time to remove it. Reverse the process to install the new parking lightbulb.
remove tail light, remove burnt bulb, replace burnt bulb, test if it works, then put tail light back on....
An L.E.D blinker is an L.E.D light that blinks on and off.