Inspect the PCM. (See PCM INSPECTION.)
Mazda 6 Service Manual: If You Must Use the Front Seat for Children
If you cannot put all children in the rear seat, at least put the smallest children
in the rear and be sure the largest child up front uses the shoulder belt over the
shoulder.
NEVER put a rear-facing child-restraint system on the front passenger seat whether
your vehicle is equipped with a o ...
Mazda 6 Service Manual: Trunk Lid
WARNING
Never allow a person to ride in the trunk: Allowing a person to ride
in the trunk is dangerous. The person in the trunk could be seriously injured or
killed during sudden braking or a collision.
Do not drive with the trunk lid open: Exhaust gas in the cabin of a vehicle
is dangerous. ...