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: Setting the System
When the MODE switch is pressed, the Mazda Radar Cruise Control (MRCC) main indication (white) turns on and the vehicle speed and the distance between vehicles while in headway control can be set. NOTE When the ignition is switched to ACC or OFF while the Mazda Radar Cruise Control (MR ...

Mazda 6 Service Manual: Operating Tips for WMA
WMA is short for Windows Media*1 Audio and is the audio compression format used by Microsoft*1. Audio data can be created and stored at a higher compression ratio than MP3. This unit plays files with the extension (.wma) as WMA files. *1 Windows Media and Microsoft are registered trademarks of ...