Volvo S90 Owner's Manual page 85

Press the booster cushion backwards to lock.
Upper position, start from the lower position:
Press the button to release the booster
cushion.
Lift the booster cushion up at the front edge
and press it back against the backrest to
lock.
WARNING
If the instructions for the integrated booster
cushion are not followed then the child could
sustain serious injury in the event of an acci-
dent.
NOTE
It is not possible to adjust the booster seat
from the upper position to the lower position.
From the upper position, the booster seat
must first be fully lowered into the seat cush-
ion, and then folded up to the lower position.
Related information
•
Integrated booster cushion* (p. 82)
•
Folding down the integrated booster cush-
ion* (p. 84)
* Option/accessory, for more information, see Introduction.
SAFETY
83