This happened for high/low beam switch in the late 1970s though the early 1980s as the new cars were designed.
What year ? 1993
How do I remove the headlight unit on a V6 TDI Passat year 2000?
In order to answer your question I will need the year of the car. 97
To remove the headlight cover on a Lexus EX 300, start by opening the hood and locating the headlight assembly. Remove any screws or clips securing the headlight cover, which may vary by model year. Carefully pull the cover away from the assembly, ensuring not to damage any clips. If necessary, consult your vehicle's manual for specific instructions related to your model year.
It depends completely on what year it is. If it is a composite style headlight (newer years), then the bulb should remove from the back of the assembly, while the assembly is left in the car. If it is an older year model, then the assembly is held in with two screws that can be reached from the front of the head light.
To change a Ford Excursion headlight, first, open the hood and locate the headlight assembly. Depending on the model year, you may need to remove screws or clips securing the assembly. Disconnect the wiring harness from the back of the headlight, then remove the old bulb by twisting it counterclockwise. Insert the new bulb, reconnect the wiring, and secure the headlight assembly back in place.
To remove the headlight lens on a Chrysler 300M, first, ensure the vehicle is turned off and the keys are removed. Open the hood and locate the headlight assembly; you may need to remove any retaining screws or clips that hold it in place. Carefully disconnect the electrical connector and then gently pull the headlight assembly out of the housing. Finally, detach the lens from the assembly by unscrewing or unclipping it, depending on the model year.
To remove the headlight cover on a BMW Z3, first, open the hood and locate the screws securing the cover. Use a screwdriver to carefully remove these screws. Once the screws are out, gently pull the cover away from the headlight assembly, being cautious not to damage any clips or wiring. If necessary, consult your owner's manual for specific details related to your model year.
Make, model and year would help.
See "Related Questions" below for the 3 primary sets of instructions by model year groupings.
You didn't say what year so here goes. On older models you need to remove the plastc grill piece to access it. On newer models there is a L shaped pin on the top of the headlight that when pulled up releases the headlight assembly.
To remove the headlight cover on a Mazda 6, first, ensure the vehicle is off and the headlights are cool. Open the hood and locate the headlight assembly; you may need to remove screws or clips securing the cover. Carefully detach the cover by pulling it away from the assembly, making sure not to damage any clips. If necessary, consult your vehicle's manual for specific instructions related to your model year.