How do you change headlight bulbs on a 2004 Mazda 6?
Directly behind the head light bulb is a cap that comes off by
twisting it a quarter turn. Take off the cap. The bulb is held in
place by a spring clip. Undo the clip (it'll be self explanatory if
you've gotten this far). Pull out the bulb and put in the new one.
It only looks hard. The passenger side has more room to work, so
you may want to do that side first to get the feel before doing the
If this doesn't help you, drive the car to a shop and realize you
have the mechanical ability of a 2 year old.