Chrysler Grand Caravan 2010 Owner's Manual page 79

The booster seat is designed to raise the child high
enough to use the vehicle lap and shoulder belt. The
booster seat latch release handle is located at the front of
the seat cushion.
Booster Seat Release Handle
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 79
To position a child into the Integrated Child Booster Seat
follow these steps:
1. Pull the release handle forward to release the latch and
seat cushion. Then, lift seat cushion up and push back to
lock it in the booster seat position.
Booster Seat Position
2