Mazda 6 Service Manual: No.2 mil illuminates

No.1 melting of main or other fuses

No.3 will not crank

Other materials:

Mazda 6 Service Manual: Instrument cluster input/output check mode
Note In this mode, it is possible to check the items in the following chart. Diagnostic Trouble Code Chart Note Diagnostic trouble codes which are not listed may be indicated, but they cannot be inspected. The diagnostic trouble codes are displayed in numerical order. (While ...

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 ...