The refrigerant specifications are indicated on a label attached to the inside of the engine compartment. Check the label before refilling the refrigerant. If the wrong type of refrigerant is used, it could result in a serious malfunction of the air conditioner.
For details, consult an Authorized Mazda Dealer.

Vent OperationMazda 6 Owners Manual: Trip Computer and INFO Switch (Without Multi-information Display)
The following information can be selected by pressing the INFO switch with the
ignition switched ON.
Distance-to-empty mode
Average fuel economy mode
Current fuel economy mode
Compass mode
If you have any problems with your trip computer, consult an Authorized Mazda
Dealer.
Distanc ...
Mazda 6 Owners Manual: How to Use the Bluetooth® Audio System
Switching to Bluetooth® audio mode
To listen to music or voice audio recorded to a Bluetooth® audio device, switch
to the Bluetooth® audio mode to operate the audio device using the audio system
control panel.
Any Bluetooth® audio device must be paired to the vehicle's Bluetooth® unit bef ...