Fisher-Price Grow-With-Me 79711 Owner's Manual page 11

All About 5-Point Harness Mode
9-18 kg (20-40 lbs)
Tether Strap: An additional belt anchoring car seat directly to your vehicle's
frame, reducing forward motion in an accident and significantly reducing the
potential for injury.
"Wing" Cushion: Provides extra support for your child.
Chest Clip: Keeps harness shoulder belts in place to properly secure your child.
Five-Point Harness: This up-front harness adjuster is easily accessible, with
five anchorage points to safely restrain your child in the car seat. Harness is
used all the way up to 18 kg (40 lbs).
5-Point Harness Mode
9
9 -18 kg (20-40 lbs)