Diono Monterey 2XT Manuel D'instructions page 31

The Monterey 2XT booster seat features a three piece, easy
to remove cover; headrest cover, backrest cover and the seat
bottom cover.
First detach backrest from seat
bottom (see pg 19).
1. Pull headrest up to highest position.
2. Pull flap out of the booster seat
back cover.
3. Pull headrest cover over
headrest shell.
4. Pull backrest cover over
backrest shell.
5. Remove elastic tabs from the
plastic tabs on the underside of
the bottom of the booster seat.
6. Pull seat bottom cover over
the bottom section of the
booster seat.
COVER REMOVAL
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