The Best Delete Check Engine Light References. This problem occurs if the cap is cracked or you forget to put it on. Turn the vehicle on and off three times, a method that, to be clear, only works with certain models.

If you don’t have one, we recommend checking out some of the best obd2 scanners to purchase because this is going to be the easiest method. And you can turn the ignition on or off to reset the light without having to disconnect batteries. This can be done using an obd2 scanner, by disconnecting the car’s battery, or by exercising patience (ie: