How do i reset the check engine light Mazda 3?

There are several different ways that You can reset the check engine light on the Mazda3 . The first thing that You can do that is the easiest and the most passive is to just let it go away by itself. Sometimes after driving for some time the light will just go away out of nowhere. Another thing You can do is turn the car on and off for three times in a row with a second between each step. Another way is to disconnect the battery from the car, then drain the remaining electricity by holding down the horn for 30 seconds then wait about 15 minutes and reconnect the battery. The last thing You can do is to use a scan tool by connecting it to the OBD IiAnd resetting it with that.