Famous 2008 Hyundai Elantra Check Engine Light Reset References. A wide array of issues can cause a check engine light to come on, some more serious than. Web process of resetting the check engine light on a hyundai elantra.

It is an easy and free method that you can use. Reattach the negative cable and tighten it again with your wrench. To do so, pop the hood of your car and locate the battery.