Mazda 6 Service Manual: No.25 a/c is not cut off under wide open throttle conditions

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

No.26 exhaust sulphur smell

Other materials:

Mazda 6 Service Manual: Settings
NOTE Depending on the grade and specification, the screen display may differ. Select the icon on the home screen and display the Settings screen. Switch the tab and select the setting item you want to change. You can customize settings in the setup display as follows: ...

Mazda 6 Service Manual: Forward Sensing Camera (FSC) (Some models)
Your vehicle is equipped with a Forward Sensing Camera (FSC). The Forward Sensing Camera (FSC) is positioned near the rearview mirror and used by the following systems. High Beam Control System (HBC) Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) Traffic Sign Reco ...