When the check engine light comes on, it’s indicating that there is some issue with the car that should be checked out. This article provides tips on what this signal could mean, and even how to ...

The check engine light is “your car’s way of trying to talk to you,” says Kristin Brocoff, spokesperson for CarMD, which provides information and products to diagnose car issues.

A check engine light can come on anywhere, with or without Wi-Fi. Also, Koulloukian mentioned that auto shops can explain what a code means for free, though that still doesn't diagnose the problem.

What Your Check Engine Light Means and What To Do About It Get yourself an OBD-II scan tool, the first step in diagnosing modern automotive troubles.