Mazda 6 Service Manual: No.6 cranks normally but will not start

No.5 engine stalls-after start/at idle

No.7 slow return to idle

Other materials:

Mazda 6 Service Manual: Replacing Windshield Wiper Blades
When the wipers no longer clean well, the blades are probably worn or cracked. Replace them. CAUTION To prevent damage to the wiper arms and other components, do not try to sweep the wiper arm by hand. NOTE When raising both windshield wiper arms, raise the driver's side wiper arm first. W ...

Mazda 6 Service Manual: Rear Cross Traffic Alert (RCTA) (Some models)
The Rear Cross Traffic Alert (RCTA) system is designed to assist the driver in checking the area to the rear of the vehicle on both sides while the vehicle is reversing by alerting the driver to the presence of vehicles approaching the rear of the vehicle. The Rear Cross Traffic Alert (RCTA) ...