This post share from one customer use obdstar Odo master change mileage for Mazada 3 2012 , let’s see together:

Device : OBDSTAR Odo master

Car : Mazda 3 2012 year

Connect OBDSTAR ODO Master to Mazda 3 obd port,then enter menu to select “Mileage Calibration”

Check the massage,then click “Enter” to continue

Follow the screen prompt massage to turn off the ignition and then turn the ignition on

Reading mileage

Current mileage:80000KM

Please confirm the mileage correctly and press ENTER to continue

Now input the mileage of the Calibration “114000”

Please turn off the ignition and then turn the ignition on

Calibrating mileage…

Calibration complete

That’s all ! If you also interested in Odomaster , please click :

http://www.obdstar.co.uk/wholesale/obdstar-odomaster-odometer-adjustment-tool.html