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: Locking, Unlocking the Doors
NOTE The system may not operate if you are too close to the windows or door handles. If the key is left in the following areas and you leave the vehicle, the doors may be locked depending on the radio wave conditions even if the key is left in the vehicle. Around the dashboard ...

Mazda 6 Service Manual: Driving Position Memory (Some models)
The desired driving position can be called up after programming the position. The following driving positions can be programmed. Driver’s seat position (seat slide, height adjustment, front edge of seat bottom, seat recline) Active driving display (display position, brightness level, dis ...