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A harnessed seat has an internal 5-point harness system to restrain the child, whereas a booster seat “boosts” the child up so that the vehicle seat belt is positioned correctly across the child’s hips and shoulder/middle of the chest.
The seat belt should:
Your child should be able to:
Your child can ride without a belt-positioning booster when the vehicle’s seat belt fits correctly without the booster—usually around 4'9" tall and between 8–12 years old.
The ISOFLEX system secures the booster seat to the vehicle, preventing it from becoming a projectile when not in use and stabilizing it during a crash.
The lower connectors secure the booster seat to the vehicle, preventing it from becoming a projectile when unoccupied and providing stability during a crash.
Use with the backrest for children who weigh between 40 and 120 lbs. (18.1 and 54.4 kg) and whose height is between 44 and 63 in (111.8 and 160 cm).
Use without the backrest for children who weigh between 48 and 120 lbs. (21.8 and 54.4 kg) and whose height is between 46 and 63 in (116.8 and 160 cm).
Use the Skyline/Highpoint as a backless booster only in seating positions with a vehicle head restraint and when proper vehicle belt placement can be achieved.
Britax recommends that you secure the booster seat to the vehicle using the lower connectors or by fastening the vehicle seat belt across the unoccupied booster seat. This helps position the seat for use and reduces the chances of the booster becoming a projectile when not in use.
Britax strongly recommends that children be restrained in the rear seating positions, as it is statistically safer.
To help ensure the vehicle seat belt is properly positioned when using the Skyline/Highpoint, the lap belt should be worn underneath the armrest and rest low on the child’s upper thighs (pelvis area) to keep it securely in place. The shoulder belt should cross the midpoint of the child's chest, rest snugly on the shoulder while avoiding the neck, and sit under the armrest on the buckle side. This positioning will help ensure that both the lap and shoulder belts provide optimal protection in the event of a crash.
Secure the booster seat to the vehicle using the lower connectors or by fastening the vehicle seat belt across the unoccupied booster seat.
Discontinue use of the booster seat if it is older than ten (10) years from the date of manufacture or has been involved in a severe crash.
Verify that the child restraint and child restraint belts or straps do not interfere with the opening and closing of the vehicle door. Consult the vehicle user guide to help ensure proper installation.
Do not use anything to raise the booster seat off the vehicle seat, as this could cause the booster seat not to perform as intended in a crash.
The UpNGo (non-Click) offers the same slim and portable design along with the same comfort and safety features, minus the LATCH system, for those seeking a more minimal design or a lighter option.
The booster must be installed in a forward-facing vehicle seat with both a head restraint and a lap-and-shoulder belt. Side- or rear-facing vehicle seats are not permitted.
The shoulder belt guide is only required if the vehicle seat belt does not lay flat across the center of the child’s shoulder and chest. It helps to achieve proper belt positioning for a safe and secure fit. (See page 15 of the user guide for reference.)
No. The rigid LATCH connectors are not required for installation and are therefore optional for use. They help prevent the seat from becoming a projectile when it is not in use.
No, they are not certified for use on airplanes because they require a lap-and-shoulder belt.
The UpNGo Click and UpNGo backless boosters expire 10 years from the date of manufacture, which is printed on the label on the bottom of the seat.