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: Radar Sensors (Rear) (Some models)
Your vehicle is equipped with radar sensors (rear). The following systems also use the radar sensors (rear). Blind Spot Monitoring system (BSM) Rear Cross Traffic Alert (RCTA) The radar sensors (rear) function by detecting the radio waves reflected off a vehicle approaching from the rea ...

Mazda 6 Service Manual: Floor covering
FRONT FLOOR COVERING REMOVAL/INSTALLATION 1. Disconnect the negative battery cable. 2. Remove the front seats. (See FRONT SEAT REMOVAL/INSTALLATION.) 3. Remove the rear seat. 4. Remove the front scuff plates. 5. Remove the rear scuff plates. 6. Remove the console. 7. Remove the front side tri ...