1. Blown fuse: Check the fuse box under the dashboard and look for a blown fuse that controls the interior lights. If you find a blown fuse, replace it with a new one of the same amperage.
2. Faulty dimmer switch: The dimmer switch is responsible for controlling the brightness of the interior lights. If the dimmer switch is faulty, the interior lights may not turn on at all, or they may only turn on at a very low brightness.
3. Faulty door switch: The door switch is responsible for turning on the interior lights when the doors are opened. If the door switch is faulty, the interior lights may not turn on when the doors are opened, or they may stay on even when the doors are closed.
4. Faulty wiring: The wiring that connects the interior lights to the fuse box and the door switches may be faulty. If the wiring is faulty, the interior lights may not receive power, or they may only receive power intermittently.
5. Faulty light bulbs: The interior light bulbs may be faulty. If the light bulbs are faulty, they may not light up at all, or they may only light up dimly.
If you have checked all of these things and the interior lights still do not work, you may need to take your car to a qualified mechanic for further diagnosis and repair.
Headlights shut off
If your headlights are also turning off, it is possible that there is a problem with the electrical system in your car. This could be caused by a faulty alternator, a bad battery, or a loose wire. You should take your car to a qualified mechanic for further diagnosis and repair.