Always use the automatic locking mode to keep the child-restraint system from shifting to an unsafe position in the event of an accident. To enable seat belt automatic locking mode, pull it all the way out and connect it as instructed on the child-restraint system. It will retract down to the child-restraint system and stay locked on it. See the section on child restraint.
Emergency Locking Mode
Seat BeltMazda 6 Owners Manual: Rearview Mirror
WARNING
Do not stack cargo or objects higher than the seatbacks: Cargo stacked
higher than the seatbacks is dangerous. It can block your view in the rearview mirror,
which might cause you to hit another car when changing lanes.
Rearview mirror adjustment
Before driving, adjust the rearview mi ...
Mazda 6 Owners Manual: Split Folding
By lowering the rear seatbacks the luggage compartment space can be expanded.
WARNING
Do not drive the vehicle with occupants on folded down seatbacks or in
the luggage compartment. Putting occupants in the luggage compartment
is dangerous because seat belts cannot be fastened which coul ...