If you're talking about a Focus, there is a panel in the trunk area.
By popping the light cover off and then figure out in your owners manuel how to remove the the bulb.
If its the front turn signal you open your hood and partly remove the black plastic cover on top of your headlights. Then you should see a screw on that screws on your signal light. Remove the screw and take off the the signal light and then remove the bulb.
change it from the inside
You change them from the INSIDE.
How do you remove cover to replace brake light on 57 kia Rio
To change the front signal light on a 2006 Chevy Express van, remove the bottom plastic cover that runs along the grill. Pull the push pins that hold the light in place. Remove the bulb and replace with new.
Remove the exterior side mirror turn signal cover. You can remove the cover by prying outward on the retaining clips. Take hold of the lightbulb, push in and turn at the same time to remove. Reverse the process to install the new lightbulb.
Its relatively easy, if the light bulb is busted get a new one. unscrew the bolt on top of the signal light cover. twist carefully the bulb until u feel a slight push from the assembly. replace the bulb and put on the cover. if the old bulb is broken, you can use a pair of pliers to remove the broken bulb.
I just completed this operation on my Expedition. First, remove the 2 screws from the top of the rear light cover. At this point, the cover must be "popped" off. Grasp the cover on the side facing towards the other side of the truck. You will have to apply more pressure pulling than you may be comfortable with, but it will pop off. Once off the Turn Signal bulb is the upper one and the brake light is the lower bulb. Remove and replace. Good luck!
You should be able to go under the hood and remove a cover. This should reveal the back of the light enclosure. Just remove the bulb and replace it with a brand new one.
To replace the dome light in your 2005 Toyota, you will need a flat screwdriver to remove the screws and pry the dome light cover from the light. You can then access the light to change the bulb or replace the entire bulb and cover.
To remove signal (corner) light. the light is able to come off by pulling it towards you facing the vehicle. once popped off the light has a plug attached to it, remove it cautiously.