2009 Infiniti FX50 Owner's Manual - Page 49

Rear facing - step 4 4. Allow the seat belt to retract. Pull up on the shoulder belt to remove any slack in the belt. SSS0656 Rear facing - step 5 5. Remove any additional slack from the child restraint; press downward and rearward firmly in the center of the child restraint with your hand to compress the vehicle seat cushion and seatback while pulling up on the seat belt. SSS0657 Rear facing - step 6 6. Before placing the child in the child restraint, hold the child restraint near the seat belt path and use force to push the child restraint from side to side, and tug it forward to make sure that it is securely held in place. It should not move more than 1 in (25 mm). If it does move more than 1 in (25 mm), pull again on the shoulder belt to further tighten the child restraint. If you are unable to properly secure the restraint, move the restraint to another rear seating position and try again, or try a different child restraint. Not all child restraints fit in all types of vehicles. SSS0658 1-32 Safety - Seats, seat belts and supplemental restraint system