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: Discharge headlight control unit removal/installation
Caution Incorrect servicing of the discharge headlight control unit could result in electrical shock. Before servicing the discharge headlight control unit, always refer to the Discharge headlight service warnings. (See DISCHARGE HEADLIGHT SERVICE WARNINGS) When replacing the discharg ...

Mazda 6 Service Manual: No.2 amount of air blown from vents does not change
Full-auto Air Conditioner When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while performing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to mak ...