The 2007 Toyota Yaris is going to need to use 9003 bulb for both it's low beam and high beam headlights. In order to get started replacing the bulbs You're first going to need to pop the hood. Look directly where the bumper meets the headlights and You will see several screws. You're going to need to undo these so that You can pull it back to access the headlights. Once all the screws are done You will still have clips holding the bumper in place. These will need to be undone using a pry tool. Once You finally have the bumper off You can now reach the headlight and there will be a black top on the back of it that looks like a gas cap. You'll need to undo this top and once inside You can replace the headlight bulb.
Christine R.
April 9, 2020
To change the headlight bulbs on your toyota yaris, you'll need to undo the clips on the front bumper to reveal the screws affixing the headlight assembly to the body. From there, you turn over the headlight and pull the bulbs out by hand. This is a fairly easy repair for the mechanically inclined and the bulbs should cost from 30 to 60 dollars depending on what brand you select.
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