GPS Speedometer calibration is only available with the ECRI device and app.
TIMESTAMPS
0:00 - How to Calibrate Speedometer with GPS
0:05 - Plug in device and Open App, Bluetooth will connect automatically
0:14 - Tap GPS Speedo on bottom menu, have a passenger manipulate the app (Do NOT use app while driving.)
0:24 - App will begin collecting data when the vehicle is traveling faster than 40mph
0:57 - When white arrows are in "green", put vehicle in park and tap "Program Vehicle" and confirm
1:14 - Tap "OK" turn ignition off and wait for modules to power down. You are calibrated!
