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: Engine Start Function When Key Battery is Dead
CAUTION When starting the engine by holding the transmitter over the push button start due to a dead key battery or a malfunctioning key, be careful not to allow the following, otherwise the signal from the key will not be received correctly and the engine may not start. Metal parts of ot ...

Mazda 6 Service Manual: Operating the Power Windows
NOTE Each passenger window can be operated with each door switch when the power window lock switch on the driver's door is in the unlocked position. Each passenger window can also be operated using the master control switches on the driver's door. Normal opening/closing To open the ...