For children 26.5-65 lbs. (12-29.5 kg) and up to 54" (137 cm).
The removable side support insert must be used for children in rear-facing and forward-facing modes from 5-40 lbs (2.3-18 kg)
For full details, refer to User Guide
Quick Tip: Always use top tether when available. Before placing the car seat in the vehicle, remove the top tether from the tether storage hook on the back of the seat. You will attach the top tether later in the process.
Place your Fit3x™ on the vehicle seat in the forward-facing position. Make sure it is not blocking the vehicle seat belt buckle and that the base is flat on the vehicle seat surface. Lay the tether strap over the back of the vehicle seat.
Check that the headrest of the vehicle seat does not interfere with the headrest of the Fit3x™.
Squeeze the recline adjustment handle and pull or push the seat to adjust to a reclined position.
Make sure the bubble level falls between the two lines for the proper forward-facing harness installation mode of use. Readjust the recline as necessary.
Quick Tip: Before installing with the vehicle lap-shoulder belt, always make sure the lower anchor straps are properly stored.
Route the vehicle lap-shoulder belt through the red forward-facing belt path on the side of the car seat. With your other hand, guide the vehicle belt under the backrest seat pad through the forward-facing belt path on the opposite side of the car seat.
Buckle the lap-shoulder belt.
Ensure the back of the car seat is touching the backrest of the vehicle seat. While pushing down on the seating surface of the car seat, pull up on the vehicle shoulder belt to tighten.
While pulling the vehicle shoulder belt, slide the belt into the forward-facing lock-off.
Locate the tether anchor in your vehicle, attach the tether hook and pull the tether strap to tighten.
Check installation.
For instructions on how to install Fit3x™ with vehicle seat belt, see user guide.
Ensure your Fit3x™ is set up correctly for forward-facing usage. The side support insert must be used for children up to 40 lbs.
Loosen the 5-point harness, unbuckle the crotch buckle, and open the chest clip.
Place your child in the car seat and ensure they are positioned correctly with their back flat against the backrest. Adjust the headrest position to fit your child correctly.
Buckle and tighten the 5-point harness. Harness straps should be positioned at or above the child’s shoulders. The chest clip should be at armpit level.
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