Mazda 6 Service Manual: No.8 engine runs rough/rolling idle

No.7 slow return to idle

No.9 fast idle/runs on

Other materials:

Mazda 6 Service Manual: Instrument cluster removal/installation
Caution When replacing the instrument cluster, the configuration procedure must be performed before removing the instrument cluster. If the configuration procedure is not performed before removing the instrument cluster, it is possible that the instrument cluster will not operate normally. ...

Mazda 6 Service Manual: Rear View Monitor Operation
The operation of the rear view monitor when reversing the vehicle varies depending on the traffic, road, and vehicle conditions. The amount of steering and the timing also varies depending on conditions, so confirm the surrounding conditions directly with your eyes and steer the vehicle in acc ...