Diono Monterey 2XT Manuel D'instructions page 23

C. ADJUSTING THE RECLINE ANGLE
IMPORTANT:
recline angle of the booster seat to match that of the
vehicle seat.
This booster seat features a recline angle that can adjust to
match that of the vehicle seat:
1. Push booster seat backrest backwards until it
moves freely.
2. Push the booster seat bottom down and the
backrest of booster seat back into vehicle seat until
there is secure positioning. A gap is acceptable as
long as the head support is touching the vehicle seat
back or headrest.
D. ADJUSTING THE HEAD SUPPORT
Squeeze the head support adjustment
lever on the back of the booster seat
while adjusting its height up or down
to fit the child.
FIRST SETUP
It may also be necessary to adjust the
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