Quote:
Originally Posted by
joy2growÂ

Same thing was happening with 4 1/2 yo DD in the car. My solution is to pack one of those pop up cloth bins w/ toys & books & set it on the seat right next to her. I also bring a standard size bed pillow along and when she starts looking sleepy I put it on top of the bin for her to lean on. She's still slumped over to the side, but not so drastically and with support. Works well for us 
This doesnt sound safe at all. Â If she is leaning over onto a box/pillow, then she isnt positioned properly. Â In a booster seat the child MUST be sitting upright, otherwise the seatbelt cant do its job. Â Â
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Many kids are not ready to sit in a booster seat until they are 5-6-7yrs old, because they fall asleep in the car and slump out of position. Â Â
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OP, if its just her head slumping forward, but her body is in the right position, then its not a safety issue. Â I'd use a small pillow that can be placed next to her head to lean her head sideways on, but I would NOT use anything behind her head (because it can push her head out of the safe position in a crash). Â If its still an issue, try a different booster or a high weight harness seat (like a maestro, graco nautilus or frontier)