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: Front seat belt removal/installation
Warning
Handling the front seat belt (pre-tensioner seat belt) improperly
can accidentally deploy the pre-tensioner, which may seriously injure you.
Read SERVICE WARNINGS before handling the front seat belt. (See SERVICE
WARNINGS.)
Warning
The side air bag sensor is attached to t ...
Mazda 6 Owners Manual: No.4 air intake mode does not change
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while performing the inspection to discover
whether poor contact points are the cause of any intermittent malfunctions.
If there is a problem, check to make sure connectors, terminal ...