Here's what you should do:
1. Get the Diagnostic Trouble Code (DTC): This is the key to understanding the problem. You can do this in a few ways:
* OBD-II Scanner: Buy a relatively inexpensive OBD-II code reader from an auto parts store. Plug it into the OBD-II port (usually under the dashboard) and it will display the trouble code(s). This is the best method.
* Auto Parts Store: Many auto parts stores will read the codes for free. They can then tell you what the code means.
* Mechanic: A mechanic will have the equipment and expertise to read and diagnose the codes.
2. Address the Problem: Once you know the DTC, you can research it online (many resources are available) or consult a mechanic to determine the cause and necessary repairs. Simply clearing the code without fixing the problem will only cause the light to return.
3. After Repair: *After* the problem is fixed, you can then clear the code. Many OBD-II scanners have a "clear codes" function. Sometimes disconnecting the battery for a short period (15-30 minutes) will also clear the code, but using the scanner is preferred.
Important Considerations:
* Don't just ignore the light: Driving with a check engine light on can lead to more severe damage and potentially unsafe conditions.
* DIY vs. Mechanic: Depending on your mechanical skills and the nature of the problem, you might be able to fix it yourself or you might need a professional mechanic.
* Safety First: If you're unsure about anything, consult a qualified mechanic.
In short, resetting the light is the last step, not the first. Focus on diagnosing and repairing the underlying issue causing the light to illuminate in the first place.
