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: Speedometer, Odometer, Trip Meter and Trip Meter Selector (Without Multiinformation Display)
The speedometer indicates the speed of the vehicle. The display mode can be changed from odometer to trip meter A to trip meter B and then back to odometer by pressing the selector while one of them is displayed. The selected mode will be displayed. Odometer The odometer records the total d ...

Mazda 6 Service Manual: Windshield Defrosting and Defogging
1. Set the mode selector dial to the position. 2. Set the temperature control dial to the desired position. 3. Set the fan control dial to the desired speed. 4. If dehumidified heating is desired, turn on the air conditioner. WARNING Do not defog the windshield using the position with the t ...