Seeing the check engine light turn on in your Acura RDX, MDX, ILX, or TLX can be alarming—especially if it’s your first time dealing with it. While this dashboard warning could signal something minor, it can also indicate a more serious issue that requires immediate attention. If you're a driver in Phenix City, Auburn, or Columbus, our team is here to help you understand the most common causes of a check engine light and what you should do next.