Hyundai Repair Questions? Ask a Mechanic for Answers ASAP
Please don't get upset, but since we never know what's on our customers mind when they post their requests, we need to ask questions that might seem unnecessary:
Thank you for that information.
Hyundai released some time ago a technical service bulletin regarding the battery cables going bad and possibly causing this type of issue. The easiest way to confirm this is what's happening is by connecting jumper cables from another vehicle's battery in the following manner:
Upon connecting the jumpers, things like dome lamp, headlights, etc. should have power. Before trying to start the engine, lock and unlock the doors and make sure to use an original ignition key to disarm any possible antitheft system.
Please let me know if that works.
The fuse box stud is where the positive battery cable bolts to the fuse box. The negative stud is where the negative battery cable bolts to the body of the vehicle. I've attached the two pictures included in the bulletin, where I've drawn Red circles around the two studs in question.
Please let me know if that helps.
Use smaller jumper cables if you need to; connect to the fuse box stud first, then to the ground stud. Doing it that way should minimize sparks. By the way, the presence of sparks indicates active electrical loads - something is on.
If jumping the battery as I indicated still doesn't bring power to the courtesy lights, then you'll need a voltmeter to use while I guide you through an electrical diagnosis.
OK, just make sure the voltmeter is designed for automotive use.
I login most day after 2PM Atlantic Standard Time. Looking forward to working with you.