How do you change the passenger side headlight bulb on a 1996 Ford Mondeo?

I have changed bulbs before but am little concerned/confused as the battery is directly behind the headlight %26amp; it looks really fiddly.How do you change the passenger side headlight bulb on a 1996 Ford Mondeo?Three bolts allow you to remove the entire headlight bucket from the grille of the car. Open the hood and stare straight down on top of the headlight. The metric hex bolts will be pointing straight up at you.How do you change the passenger side headlight bulb on a 1996 Ford Mondeo?or take out battery if u have radio code to enter after replacing battery or hook up battery booster and leave on leads to car and u will not loose code if u take out battery [if u have a booster ] or just remove headlamp as other guy said and go with marks left by washers [on screws] to realign headlamp to its original position [good idea to replace side lamp bulb whilst lamp removed] if fitting in place remove black cap [push down on centre]and there should be 2 locating pins on bottom of black cap for refitting dust cover