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To clear the check engine light on a 2016 Jeep Patriot, first determine the root cause by checking the trouble code. Insert your key into the ignition, turn it to the on position, and ensure the trip display shows the trip mileage. Hold down the trip reset button for about 10 seconds, then turn the ignition off and on three times. The display will reveal a 4-digit code starting with a letter. Search online for the code to identify the problem. If you're sure you want to reset the code, hold the trip reset button for a couple of seconds to clear it. However, if you don't address the original issue, the check engine light will reappear.
To clear the check engine light on a 2016 Jeep Patriot, you'll need a diagnostic tool to link up with the car and then manually erase the error code causing the issue.