Graco 4EVER 4-IN-1 CAR SEAT Instruction Manual page 77

6. Check the Buckle Position
The correct slot the one that is closest to
your child without being underneath your
child.
7. To Adjust Buckle Strap
Recline the car seat and locate the metal
retainer under the car seat shell.
8. Rotate Metal Retainer and Insert It
Up Through the Shell and Pad
From the top of the car seat, pull the buckle
out.
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