Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

Mazda 6 Service Manual: Front seat belt removal/installation
Warning Handling the front seat belt (pre-tensioner seat belt) improperly can accidentally deploy the pre-tensioner, which may seriously injure you. Read SERVICE WARNINGS before handling the front seat belt. (See SERVICE WARNINGS.) Warning The side air bag sensor is attached to t ...

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 ...