Hyundai Repair Questions? Ask a Mechanic for Answers ASAP
Hello. This sounds like a hood switch problem. There is a rubber stopper under the hood that depresses the hood switch when the hood is shut. If that stopper isn't pressing fully on that hood switch then this problem will happen. The hood switch is located in the right front of the engine compartment. on the hood is the location of the rubber stopper. Check to see if that's the problem. open the hood and press in on the switch and see if the problem continues. If it does then the rubber stopper needs to be replaced. I will try to find you a picture
Here is a picture from our shop management software. It's not a great picture unfortunately but it does show it's location.
Try unplugging the hood switch and see if the alarm stops sounding.
If this doesn't help you please let me know and I will do what I can to help.
Did you get a chance to unplug that sensor? What was the result?