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: Inspecting Engine Oil Level
1. Be sure the vehicle is on a level surface. 2. Warm up the engine to normal operating temperature. 3. Turn it off and wait at least 5 minutes for the oil to return to the oil pan. 4. Pull out the dipstick, wipe it clean, and reinsert it fully. 5. Pull it out again and examine the level. The ...

Mazda 6 Service Manual: Changing a Flat Tire
NOTE If the following occurs while driving, it could indicate a flat tire. Steering becomes difficult. The vehicle begins to vibrate excessively. The vehicle pulls in one direction. If you have a flat tire, drive slowly to a level spot that is well off the road and out of the way of tr ...