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To reset the "check engine" light in a 2014 Chevy Cruze, you might need an OBDII scanner, but it's worth trying some simpler methods before heading to a mechanic. First, check for a loose gas cap and tighten it to see if the light goes off. Driving the car for at least 15-20 minutes above 25 mph may also help reset the light, especially if the catalytic converter has been stressed from frequent starting and stopping. Another method is to turn the key in the ignition to the "on" and "off" positions three times in a row before trying to start the engine. Disconnecting the positive battery cable for 15-20 minutes, reconnecting it, and repeating the key turning steps may also work. If these steps don't reset the light, it may indicate a problem with the transmission, O2 sensors, or spark plugs, so it's essential to have the Cruze diagnosed promptly.
To clear the check engine light, simply start the engine and then shut it off three times consecutively.
My issue is with my 2004 Chevy Cruze - the check engine light keeps coming on no matter what I try. I've already tried replacing the catalytic converter, getting a new battery, and adding a fuel additive. Any ideas on what else I can do to fix it?