The seat is placed in the back seat of the car, preferably in the middle or behind the passenger seat, ensuring it sits flat against the vehicle seat. Clicking In (Optional): Many modern boosters, like the Diono Monterey 2 XT Go to product viewer dialog for this item.

The headrest slides into the top of the backrest, allowing it to adjust to the child's height.

The lap belt passes under the booster seat armrests, keeping it secure over the child's thighs.