---
id: faq-0078
title: "Why is my check engine light on?"
category: faq
subtopic: service-and-maintenance
page_type: faq
source_url: "https://www.genesisofdownersgrove.com"
tags: ["diagnostics", "troubleshooting", "warning lights"]
questions:
  - "What does the check engine light mean?"
  - "Should I drive with the check engine light on?"
  - "How do I find out why my Genesis warning light is lit?"
related: [service-appointment, warranty-coverage]
dealer: Genesis of Downers Grove
---

A check engine light can indicate anything from a loose gas cap to an emissions sensor issue-some are minor, others need prompt attention. Driving carefully to Genesis of Downers Grove Service for a diagnostic scan is the right move. Our technicians use specialized equipment to read exactly what triggered the light, explain the issue in plain terms, and recommend the best fix. Even if it feels like nothing is wrong, getting a scan quickly can prevent bigger problems down the road. **Schedule a diagnostic?** Call (630) 598-9950. We'll fit you in and have answers for you fast-plus, if it's warranty-covered, you won't pay a dime.