Cool 2013 Toyota Corolla Won't Start Check Engine Light Oil Light Ideas. Our toyota service department can help you find out what code is turning your check engine light on or diagnose why your check engine light is flashing. This trick will always work if your car battery is on the verge of being dead.

Web so to turn off the check engine light, just do the following: Turn the key to the “on” position, but don’t start the car. Turn on the ignition but don’t start the engine.