Has anyone changed headlight bulb ?
Just go buy the matching bulb, I am not sure whether you need to pull the whole lamp out or you can access the bulb, if there are screw on the top of the light then just undo them and slide it out. Pull the bulb out and then go to an auto part store and buy the same bulb. Make sure when you put it in and take it from the package to put a glove on or use a paper towel. It's the oil on your hands that is bad for it, it can make the bulb's life drop by years. Depending on the socket you should be able to just push it in (Possibly twist it in to socket) and you're done. If you have questions message me.
Has anyone changed headlight bulb ?
Check your owners manual. Usually it is as simple as opening the hood, finding the back of the headlamp housing, turning the plastic housing that holds the bulb so that it slides out. Once you have the bulb and holder out of the housing, you just turn the actual bulb so it pops out. Replace it with a new one (don't touch the bulb if it is halogen) and reverse everything you just did. No need to unhook the battery, just leave the car off and there won't be power going to the light.
It's a hard complicated job. You may want to reconsider spending the $50.
most are easy to replace most car repairs you can find by typing
how to replace name of part name of car and if you add video to end of that sometimes get one so type
how to replace headlight bulb
how to replace headlight bulb video
how to replace headlight bulb 2006 Mercury Milan
how to replace headlight bulb 2006 Mercury Milan video
one should help you find a way to do it really not much to it
autozone.com might be able to look up part and find a how to install it page to print out