For the safety of your child, use the car seat in forward-facingaircraft seats only. Follow the flight attendant’s instructions about car seat placement. Install your car seat on an airplane the same way it is installed in an automobile.

Always be sure that the airplane seat belt is adjusted so that it tightly holds the car seat in place at all times.

6.Use of the Car Seat without the Built-in Harness

Use of this car seat as a booster without the built-in harness is meant for a child:

who weighs from 30 to 80 lbs. (14 to 36 kg), and is between 40 and 54 inches (102 and 138 cm) in height, and

whose ears are below top of booster seat. If tops of ears are above top of seat, child is too large for booster seat.

If your child is between 30 and 40 lbs., he should continue to use the harness if his shoulders are below the upper harness slots. We highly recommend use of the built-in harness up to

40 lbs.

DO NOT use the car seat in this manner with a lap-only belt.

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Graco 8480 owner manual Use of the Car Seat without the Built-in Harness, 40 lbs