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: Ignition Switch
Push Button Start Positions The system operates only when the key is within operational range. Each time the push button start is pressed, the ignition switches in the order of off, ACC, and ON. Pressing the push button start again from ON switches the ignition off. NOTE The engine star ...

Mazda 6 Service Manual: Locking, Unlocking with Door- Lock Switch
All doors lock automatically when the lock side is pressed. They unlock when the unlock side is pressed. Driver's door Front passenger's door To lock all the doors from an open front door, press the lock side of the door lock switch and then close the door. NOTE When locking the doors t ...