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: Bluetooth® Audio
Applicable Bluetooth® specification (Recommended) Ver. 1.1/1.2/2.0 EDR/2.1 EDR/3.0 (conformity) Response profile A2DP (Advanced Audio Distribution Profile) Ver. 1.0/1.2 AVRCP (Audio/Video Remote Control Profile) Ver. 1.0/1.3/1.4 A2DP is a profile which transmits only audio to the Blue ...

Mazda 6 Service Manual: Scheduled Maintenance (Mexico)
Follow Schedule 1 if the vehicle is operated mainly where none of the following conditions apply. Repeated short-distance driving Driving in dusty conditions Driving with extended use of brakes Driving in areas where salt or other corrosive materials are used Driving on rough or muddy ...