Review Of 2017 Hyundai Ioniq Check Engine Light References. It can be alarming seeing an engine warning appear on your dashboard, especially if you've never seen it before. Whether you’re driving an i10, i20, i30, ionic, kona, santa fe or another model, the hyundai warning lights on your dashboard follow a traffic light colour system:

The scanner will display a code that corresponds to the problem that triggered the check engine light. New spark plugs or plug wires are necessary for your 2017 hyundai ioniq ev. The engine ran fine but the light did not go away.