Take the appropriate action and verify that the warning light turns off.

Taking Action
Message Indicated on DisplayMazda 6 Owners Manual: Service cautions
HANDLING INSUFFICIENT REFRIGERANT LEVEL
If an insufficient refrigerant level is detected at troubleshooting,
do not charge (add) the refrigerant. Because an accurate amount of
refrigerant cannot be determined from the pressure indicated on the manifold
gauge, never charge the refrigeran ...
Mazda 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 ...