in the seat, i firmly remind her not to touch the buckle. i have tried giving her food to eat and things to play with in the car (which help somewhat), but she continues to slide the buckle down. in fact, she does it more and more often, to the point where i only take her out if i have to and frequently reach my hand back to feel the buckle while i drive and i avoid taking her in the car after dark when her older sister cannot see what she's doing and let me know if she's pushing the buckle down. i'm at my wit's end. the car 