Most probably, the power wires of the stereo are in bad condition. While one power wire is always out, the other only heats up with the ignition key. But, if their functions get inverted, the stereo will stop working. If these power wires do not have any voltage, it is time to replace them.
Why is my radio audio not working?
If your radio is turning on but there is no sound. First check radio functions, be sure you have an audio source selected like Radio. If using AUX, USB or BT AUDIO be sure you have a device connected to the correct input. Be sure the radio is not Muted.
The first thing you should do when your radio stops working is check its fuses and replace any that have blown. Also, if you have an after-market stereo head unit that is meant to be easily removed, be sure to check the back of the unit itself for any fuses.
How do I reset my Hyundai Elantra radio? – Related Questions
How do I know if my radio fuse is blown?
Remove the fuse from its holder. In some cases you may need a small screwdriver to unscrew the fuse holder cap. Look at the fuse wire. If there is a visible gap in the wire or a dark or metallic smear inside the glass then the fuse is blown and needs to be replaced.
How do you know if fuse is blown in car radio?
Can a blown radio fuse prevent car from starting?
Usually, a blown fuse just causes a minor car electrical problem, like backup lights or interior lights not working, not being able to use your radio, losing a turn signal, or some of your climate control features not functioning properly. In rare cases, though, a blown fuse can mean that your car won’t start.
Can a low car battery cause the radio to not work?
While a dead battery, or a jump start, can result in a car radio that doesn’t work, it could also be a pure coincidence.
What causes a radio screen to go black?
The dimmer on the radio is not adjusted correctly or could be faulty. There is a connection problem of some sort between the radio and the screen. The main head unit (stereo) is defective or damaged in some way. The backlight of the unit is defective or damaged.
What happens to the radio and other electronics if I have to disconnect the battery? If you have to disconnect the battery in your car, several important systems will lose power. You’ll need to reset the clock, for one thing. You’ll also need to enter the radio code for your audio system when you replace the battery.
Is there a fuse that controls the radio?
A car radio will have at least one fuse to protect the unit from things like power surges or other electrical issues. If too much current is sent to the audio system, this fuse will blow out and disconnect the circuit to save the main radio.
How do I get my Hyundai radio code?
Retrieving your Hyundai radio code is relatively simple. In most Hyundai models, the radio code is on a small white sticker in the glove box. It will say something along the lines of “Anti-Theft Radio Code” and should have a five-digitcode. This five-digit radio code is what you’ll enter to unlock your stereo system.
How do I reset my car radio without the code?
If you cannot locate the code and the dealership or installation center was not able to unlock it, you should try these steps: Turn your car on, but do not start the engine. Turn the radio off. Hold the radio power button down for a few minutes until it resets.
How do I find the 4 digit code for my car radio?
How to find your car radio code
Glovebox – Some radio codes appear on a sticker in the glovebox.
Vehicle handbook – You might find the code in your vehicle handbook under the stereo or security section.
Manufacturer website – The manufacturer’s website should give you more information about how to retrieve the code.
What does a reset button do on a car stereo?
Performing the RESET procedure will erase the clock settings and some stored content.
Does disconnecting a car battery reset everything?
On some older cars, disconnecting the battery will reset the system but in most new cars it does nothing, except potentially reset the clock and radio station presets.
How do I reset my car without disconnecting the battery?
How to Reset the ECU/ECM Without Disconnecting the Battery:
Pop the hood and locate the fuse box.
Remove the fuse cover, then the ECU/ECM fuse.
Leave the fuses for at least 10 seconds or up to 15 minutes.
Reinstall the car computer fuse and replace the fuse cover.