Mazda 6 2017 Owner's Manual page 144

When Driving
Instrument Cluster and Display
Current fuel economy mode
This mode displays the current fuel
economy by calculating the amount of fuel
consumption and the distance traveled.
Current fuel economy will be calculated
and displayed every 2 seconds.
When you've slowed to about 5 km/h (3
mph), - - - L/100 km (- - - mpg) will be
displayed.
Compass mode
The direction the vehicle is moving is
displayed in one of the eight cardinal
directions while the vehicle is being
driven.
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