How do I reset my 2005 chevy equinox check engine light?

To reset the check engine light on a 2005 Chevy Equinox disconnect the battery. You will then need to put Your key into the ignition and turn it to the on position about three times. Ideally, this will clear the data, turning off the light. You can then reconnect the battery and turn the ignition on. After about a minute, the check engine light should be off.Quite simply, the check engine light being on is a signal from the cars engine computer that something is wrong. If the light begins flashing, it indicates a more serious problem such as a mIS Fire that can quickly overheat the catalytic converter. Do not drive Your car if the light is flashing.