Mazda 6 Service Manual: No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

No.19 excessive shift shock on torque converter clutch (tcc)

No.21 noise occurs at idle when vehicle is stopped in d, s, l ranges, or in r position

Other materials:

Mazda 6 Service Manual: Hazard Warning Flasher
The hazard warning lights should always be used when you stop on or near a roadway in an emergency. The hazard warning lights warn other drivers that your vehicle is a traffic hazard and that they must take extreme caution when near it. Depress the hazard warning flasher and all the turn s ...

Mazda 6 Service Manual: Moonroof (Some models)
The moonroof can be opened or closed electrically only when the ignition is switched ON. WARNING Do not let passengers stand up or extend part of the body through the open moonroof while the vehicle is moving: Extending the head, arms, or other parts of the body through the moonroof is dan ...