RepairPal Certified shops can diagnose and repair your 2018 Hyundai Elantra. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Hello, sounds like a classic case of an engine battery that is not capable of handling a load. Have the 12 volt battery checked for state of charge and the ability to handle a load. You might check your dealership on this, as it may still be under some kind of warranty.