The following information can be selected by pressing the INFO switch with the ignition switched ON.
If you have any problems with your trip computer, consult an Authorized Mazda Dealer.
Distance-to-empty mode
This mode displays the approximate distance you can travel on the remaining fuel based on the fuel economy.
The distance-to-empty will be calculated and displayed every second.

NOTE
Average fuel economy mode
This mode displays the average fuel economy by calculating the total fuel consumption and the total traveled distance since purchasing the vehicle, reconnecting the battery after disconnection, or resetting the data. The average fuel economy is calculated and displayed every minute.

To clear the data being displayed, press the INFO switch for more than 1.5 seconds.
After pressing the INFO switch, - - - L/100 km (- - - mpg) will be displayed for about 1 minute before the fuel economy is recalculated and displayed.
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.

Cruise Control Set Vehicle Speed Display (Without Multiinformation Display)
Multi-Information Display and INFO Switch (Some models)Mazda 6 Owners Manual: Generator removal/installation
Warning
When the battery cables are connected, touching the vehicle body with
generator terminal B will generate sparks. This can cause personal injury, fire,
and damage to the electrical components. Always disconnect the battery negative
cables before performing the following operation.
...
Mazda 6 Owners Manual: Service cautions
HANDLING INSUFFICIENT REFRIGERANT LEVEL
If an insufficient refrigerant level is detected at troubleshooting,
do not charge (add) the refrigerant. Because an accurate amount of
refrigerant cannot be determined from the pressure indicated on the manifold
gauge, never charge the refrigeran ...