1. Start the on-board diagnostic test mode.
2. First press the POWER button, then simultaneously press AUDIO CONT button for 2 seconds or more.


Caution
3. To stop the on-board diagnostic test mode, turn the ignition switch to the LOCK position.
Supplier identification procedure
Dtc tableMazda 6 Service Manual: Odometer, Trip Meter and Trip Meter Selector
The odometer is constantly displayed on the screen when the ignition is switched
ON, and the TRIP A or TRIP B screen can be displayed by operating the INFO switch.
Odometer
The odometer records the total distance the vehicle has been driven.
Trip meter
The driving distance for a specified in ...
Mazda 6 Service Manual: Fuel Gauge (Without Multiinformation Display)
The fuel gauge shows approximately how much fuel is remaining in the tank when
the ignition is switched ON. We recommend keeping the tank over 1/4 full.
If the low fuel warning light illuminates or the fuel level is very low, refuel
as soon as possible.
Refer to Warning Lights.
NOTE
...