- Open the hood of the car.
- Locate the fuse box, which is usually located on the passenger side of the engine compartment near the firewall.
- Remove the cover of the fuse box.
- Locate the fuse labeled "Radio" or "Audio".
- Check the fuse to see if it is blown. If it is, replace it with a new fuse of the same amperage.
- Put the cover back on the fuse box and close the hood of the car.