Mazda 6 Service Manual: No.3 will not crank

No.2 mil illuminates

No.4 hard to start/long crank/erratic start/erratic crank

Other materials:

Mazda 6 Service Manual: Overheating
If the high engine coolant temperature warning light turns on, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot. WARNING Pull over to a safe location, then switch the ignition off and make sure the fan is not running before attempting t ...

Mazda 6 Service Manual: Transmitter
NOTE (With theft-deterrent system) The hazard warning lights flash when the theft-deterrent system is armed or turned off. Refer to Theft-Deterrent System. (With the advanced keyless function) A beep sound can be heard for confirmation when the doors are locked/ unlocked using the k ...