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: Operating Tips for AAC
AAC stands for Advanced Audio Coding, which is standardized voice compression established by the ISO*1 working group (MPEG). Audio data can be created and stored at a higher compression ratio than MP3. This unit plays files with the extensions (.aac/.m4a/.wav) as the AAC files. *1 Internationa ...

Mazda 6 Service Manual: Parking brake (lever type) adjustment
1. Start the engine and depress the brake pedal several times. 2. Stop the engine. 3. Remove the ashtray behind the center console. 4. Turn the adjusting nut as shown in the figure. 5. After adjustment, inspect the following points: (1) Turn the ignition switch to ON, pull the parking brak ...