Mazda 6 Service Manual: No.23 a/c does not work sufficiently

No.22 vibration concerns (engine)

No.24 a/c is always on or a/c compressor runs continuously

Other materials:

Mazda 6 Service Manual: Rocking the Vehicle
WARNING Do not spin the wheels at more than 56 km/h (35 mph), and do not allow anyone to stand behind a wheel when pushing the vehicle: When the vehicle is stuck, spinning the wheels at high speed is dangerous. The spinning tire could overheat and explode. This could cause serious injuries. ...

Mazda 6 Service Manual: How to use USB mode
This unit does not support a USB 3.0 device. In addition, other devices may not be supported depending on the model or OS version. USB devices formatted to FAT32 are supported (USB devices formatted to other formats such as NTFS are not supported). Playback 1. Select the icon on the home ...