[FWB]

my daughter is 8 and i place a patio furniture type of cushion on the seat first to get some bulk to use the 5 point on her. the type of cushion that has a back and a seat sewn together. works well. you can place an extra pillow under them also for extra height if the lap portion won't adjust smaller. i tried the booster seat but it puts the top of her head above the windshield.

Fred