Mazda 6 Service Manual: No.2 vehicle moves in n position

No.1 vehicle does not move in d, s, l ranges, or in r position

No.3 vehicle moves in p position, or parking gear does not disengage when p is disengaged

Other materials:

Mazda 6 Service Manual: Seat Precautions
WARNING Make sure the adjustable components of a seat are locked in place: Adjustable seats and seatbacks that are not securely locked are dangerous. In a sudden stop or collision, the seat or seatback could move, causing injury. Make sure the adjustable components of the seat are locked in p ...

Mazda 6 Service Manual: Emergency Locking Mode
When the seat belt is fastened, it will always be in the emergency locking mode. In the emergency locking mode, the belt remains comfortable on the occupant and the retractor will lock in position during a collision. If the belt is locked and cannot be pulled out, retract the belt once, and then ...