How old does a child have to be and weigh to use a regular seat belt and booster seat?
My 6 year old weights around 38 lbs. She's in the extend to fit, still rear-facing so in a 5 point harness. My boys are 3 and 4 and also in the same seats.
Regardless of when they say it can be used it is highly recommended to use a harness until 5. Their bones are not ready for it before then. By 5 they should meet the limits anyways but some kids still aren't mature enough to sit still at 5 and have to be in one longer.
My girl has a 5 point harness . It turns into a booster. I'll stick with the 5 point harness for at least another year.
Honestly some booster seats have pretty low starting limits which makes no sense to me. Look into harness to booster seats so you can use the five point harness longer.
I think your convertible car seat says when to use the seatbelt and booster seat option

Rave! New carseat, the Chicco Nextfit. LOVE THIS SEAT. Even the most carseat inept person can install this seat with latch. LOVE IT.
Always amazed
At the amount of seats that come into seat checks totally wrong. I did roughly 30 checks today and only 4 were right! Lots of babies are now safer in the car!

Which seat would fit better in my Honda Accord 2 door? And which seat is better
can wic help me with a newborn car seat


So I got rid of my spacious Chevy Impala and now have a compact Hyundai Elantra. I’m trying to figure out which car seat would fit best in a smaller car.?? The car seat will go behind the passenger so there will be a little more room to move the front seat up.
Rear facing at 6, wow