Look in the fusebox.
Try the owner's manual.
Check the fuse box first then the lighter.
In the fuse box under the dash.
Horns normally use a breaker, not a fuse.
Power seats are usually on a breaker, not a fuse.
Its in the fuse box under the dash with the other fuses.
Power windows normally use a breaker, not a fuse.
Changing fuses is not a hard task. Make sure the car is off, disconnect the battery if need be, remove the correct fuse, and push a new fuse in its place.
Lower right on the fuse box.
Wipers normally use a breaker, not a fuse.
The relay is in the relay box under the hood. The fuse is in the fuse box.
Under the dash, left side, and in the engine compartment.