Graco Nautilus SnugLock Grow Instruction Manual page 59

5-B Install Highback Booster
1. Store The Harness System
A. Raise the headrest to the highest
position
B. Loosen Harness Straps
Push down on the harness release lever while
pulling out on the harness straps.
C. Unbuckle the chest clip
59
A
B
C