When the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) is turned off, press the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) OFF switch.

The Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) OFF indicator light turns on.

NOTE
When the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) is turned off, the vehicle lane line indication in the multi-information display and the active driving display turn off.
System Operation
Lane Departure WarningMazda 6 Owners Manual: Smart Brake Support (SBS) (Some models)
The Smart Brake Support (SBS) system alerts the driver of a possible collision
using a display and warning sound if the radar sensor (front) and the Forward Sensing
Camera (FSC) determine that there is the possibility of a collision with a vehicle
ahead while the vehicle is being driven at abo ...
Mazda 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 ...