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

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Mazda 6 Service Manual: Control Switches
AUTO switch By pressing the AUTO switch the following functions will be automatically controlled in accordance with the selected set temperature: Airflow temperature Amount of airflow Selection of airflow mode Outside/Recirculated air selection Air conditioner operation NOTE AUTO ...

Mazda 6 Service Manual: Making a Call
Phonebook Usage Telephone calls can be made by saying the contact name in the downloaded phonebook or the name of a person whose phone number has been registered in the Bluetooth® Hands-Free. Refer to Import contact (Download Phonebook). 1. Press the talk button. 2. Wait for the beep sound. ...