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: Transaxle oil inspection
1. Park the vehicle on level ground. 2. Remove the oil level plug and washer. 3. Verify that the oil is near the brim of the plug port. If the oil level is lower than the low level, add the specified amount and type of oil through the oil level plug hole. Specified oil grade API Ser ...

Mazda 6 Service Manual: Jam-safe Moonroof
If a person's hands, head or an object blocks the moonroof while it is closing, the moonroof will stop and move in the reverse direction. WARNING Make sure nothing blocks the moonroof just before it reaches the fully closed position: Blocking the moonroof just before it reaches the closed posi ...