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: How to Use Stitcher™ Radio
What is Stitcher™ Radio? Stitcher™*1 radio is an application which can be used to listen to Internet radio or stream podcasts. Recommended content is automatically selected by registering content which you put into your favorites, or by pressing the Like or Dislike button. For details on ...

Mazda 6 Service Manual: Blind Spot Monitoring (BSM) (Some models)
The Blind Spot Monitoring (BSM) is designed to assist the driver in checking the area to the rear of the vehicle on both sides during lane changes by notifying the driver of the presence of vehicles approaching from the rear in an adjacent lane. The Blind Spot Monitoring (BSM) detects vehicle ...