Step by step instructions show how to change any of the parameters displayed on your Smarty MM3 Tuner, Smarty Touch or RaceMe Ultra Tuner:

Start at any gauge screen and tap on any of the gauges:

Press the “PID” button…

Then tap on the PID you want to change…

Select the “Change” button…

Select whichever parameter you would like displayed…

Finally select “Return to Dashboard” and you’re finished.