Fuses in a car are often a problem if they burn out. Heaters may not work or other electrical devices in the car may not function if the fuse is blown. Replacing the fuse with a simple fuse kit can easily fix the problem and save shop and labor charges that a mechanic would charge.
At some time or another everyone will need some auto repair of some sort in order to keep their life going. Look in and make sure that the person that you will be using will be qualified and knowledgeable in the area of the car that will need to be serviced.