The First Years Compass 530C Instruction Manual page 14

Section 7 -­ Installation and Use
3
. Place child in Booster Seat.
-­ Child MUST sit upright with back
contacting seat back, NOT slouching
or sliding down.
4
. Adjust headrest so that the top of
shoulder belt guides are at or just
above child's shoulders.
-­ Push yellow headrest handles in
and move headrest up or down to
desired position.
-­ Release headrest handles
and make sure handles
snap into locked position.
13