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: i-ELOOP
i-ELOOP is a regenerative braking system. When you depress the brake pedal or use engine braking, the kinetic energy that occurs is converted to electrical energy by the power generator and the converted electrical energy is stored in the rechargeable battery (capacitor and battery). The store ...

Mazda 6 Service Manual: Driving Position Memory (Some models)
The desired driving position can be called up after programming the position. The following driving positions can be programmed. Driver’s seat position (seat slide, height adjustment, front edge of seat bottom, seat recline) Active driving display (display position, brightness level, dis ...