Inspired in Dr.Maumi 'Speed+Avg.'</p><p>Show the current speed and average speed in the same data field. The current speed is displayed in high speed color (green) if current speed greater than average speed + tolerance, and current speed is displayed in low speed color (red) if current speed below than average speed - tolerance.
V2.0.0 font size</p><p>V2.1.0 add - mph