Is seatbelt - LATCH - seatbelt install okay?


New member
There are only two sets of LATCH connectors in my Mazda CX-9. None dedicated to the middle seat. Is it okay to install a seat with the LATCH in the middle, borrowing one LATCH from each outboard seat, and then seatbelt install the outboard seats?

If the types of seats matter, it would be a Frontier 85, a Coccoro, and an infant seat. I haven't puzzled it to make sure it works seat-width wise bc I am 9 months pregnant and don't want to expend the effort if my seatbelt-latch-seatbelt isn't doable in the first place.

And I am asking bc my dog chewed through the middle seatbelt and it is $500 to get replaced (if that dog wasn't my first baby....;)


New member
No , you cannot borrow the LATCH anchors unless permitted by both the vehicle & car seat manufacture.

A proper outboard install is still very safe using the seatbelt OR LATCH :)

Sent from my iPhone using Car-Seat.Org


Moderator - CPST Instructor
I think that's not quite what she's asking.

You don't have a functioning centre seat belt, so you want to install the outboard seats with the belt, and the centre with LATCH.

Lucky for you both your vehicle AND the Coccoro allow that, as does Britax. Now my big caution is only if the lower anchors and the outboard belts do not overlap. I would be surprised if they don't actually, and therefore I would be surprised if this works in actual practice.

Can you post a picture of your whole back seat with no seats in it so we can see if that's even a possibility? Otherwise you're going to need to get that centre belt replaced now, rather than later :(


New member
The CX9 does allow borrowing out outboard LATCH for a center installation as do two off your car seats, however, you cannot use the outboard seatbelt if they overlap the LATCH connectors.


New member
Thank you for your insights! I figured that even it were allowed, there would be some logistical reason it wouldn't be feasible. It is a good idea to fix the seatbelt for future non-car seat use, but was hoping to avoid the crazy expense right now. Instead of worrying about overlap, etc, I think it is best just to bite the bullet and get it replaced. (Esp since there are no tether ports in the third row making it unusable to me currently too.)

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