The VEHICLE seat must face forward.
DO NOT use infant restraint on vehicle seats with seat backs that will not lock in an upright position. DO NOT use seats that can fold down without having to release a lock or latch of some kind. These seats can fly forward and strike the child in a sudden stop or crash.
4.2 Vehicle Seat Belt Requirements
A FEW SEAT BELT SYSTEMS ARE NOT SAFE TO USE WITH THE INFANT RESTRAINT. THE VEHICLE SEAT BELT MUST BE DESIGNED TO HOLD THE INFANT RESTRAINT TIGHTLY AT ALL TIMES.
Pay careful attention to these systems; some of the seat belts that are not safe to use look very much like seat belts that are safe to use. If you are unsure, consult your vehicle owner’s manual or call Graco
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