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: Illuminated Entry System
When the illuminated entry system operates, the overhead lights, the courtesy lights, and an ambient light* turn on in the following conditions: The driver's door is unlocked after the ignition is switched OFF. The ignition is switched OFF with all doors closed. NOTE (Overhead lights) ...

Mazda 6 Service Manual: Traffic Sign Display Indication
The following traffic signs are displayed on the active driving display. Speed limit signs Do not enter signs Stop signs The above indications are some examples. NOTE Speed limit signs When the vehicle speed is about 1 km/h (0.6 mph) or faster, the speed limit sign is displayed wh ...