Here's what you should do:
1. Get the Diagnostic Trouble Code (DTC): You need to know *why* the CEL is on. You have a few options:
* OBD-II Scanner: Buy a relatively inexpensive OBD-II scanner (available at most auto parts stores). This will read the DTC code(s). Many scanners also provide descriptions of the codes.
* Auto Parts Store: Most auto parts stores will read the codes for free. They can then give you an idea of what the problem might be.
* Mechanic: A mechanic will have the most sophisticated equipment and expertise to diagnose the problem accurately.
2. Address the Problem: Once you know the DTC, you can research the cause. Websites like RepairPal or your vehicle's repair manual can help. Depending on your mechanical aptitude, you may be able to fix the problem yourself, or you may need to take it to a mechanic.
3. Clear the Code (After Repair): *Only after you've fixed the problem* should you clear the code. Most OBD-II scanners have a function to clear codes. Disconnecting the battery's negative terminal for a few minutes can also sometimes clear the code, but this is less reliable.
Important Considerations:
* Ignoring the CEL is risky: Driving with a malfunctioning system can lead to further damage to your vehicle, reduced fuel economy, and potentially unsafe driving conditions.
* DIY vs. Mechanic: Simple issues (like a loose gas cap) can be fixed easily. More complex problems require professional diagnosis and repair.
* Mileage is Irrelevant: The mileage (57,000) is not relevant to resetting the CEL. The process is the same regardless of mileage.
In short, focus on *fixing the problem*, not just turning off the light. The light is your car's way of telling you something needs attention.
