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: Key Battery Replacement
If the buttons on the transmitter are inoperable and the operation indicator light does not flash, the battery may be dead. Replace with a new battery before the transmitter becomes unusable. CAUTION Make sure the battery is installed correctly. Battery leakage could occur if it is not in ...

Mazda 6 Service Manual: Seat warmer switch inspection
1. Remove the seat warmer switch. 2. Inspect for continuity between the seat warmer switch terminals using an ohmmeter. If not as specified, replace the seat warmer switch. Drivers side Passengers side ...