Mazda 6 Service Manual: No.23 a/c does not work sufficiently

No.22 vibration concerns (engine)

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

Other materials:

Mazda 6 Service Manual: Steering wheel and column inspection
Steering Wheel Play Inspection With the wheels in the straight-ahead position, gently turn the steering wheel to the left and right and verify that the play is within the specification. If the play exceeds the specification, either the steering joints are worn or the backlash of the stee ...

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 ...