Inside the cabin of the vehicle, there you will see lights installed for certain purposes. On the ceiling there is a car lamp which could be used for a multitude of purposes. On the instrument panel there are lights there that show the condition of the car and its engine. All of these are important and vital to the usage of the vehicle. With these lights you can be informed of the condition the vehicle is in. It would be wise to immediately repair or replace these lights if they ever go out. They are very affordable and can easily be replaced, for certain lights like in the instrument panel it is better to have a technician do the replacement.