How Do Car Seats Fit in a 2024 Lexus RX 450h+?


The verdict: The two-row 2024 Lexus RX 450h+ is the plug-in hybrid version of the RX SUV. It has seats for five and earned straight A grades in our Car Seat Check thanks to ample room for two car seats as well as easy-access Latch anchors.
Does it fit three car seats? No.
Take a look at how the Latch system and each car seat scored below in our Car Seat Check of the 2024 Lexus RX 450h.
Related: Search Car Seat Checks

Latch: Grade A
The two sets of lower anchors are exposed for easy access and connection. Three top tether anchors sit midway down the seatbacks; they’re well marked and easy to use.
Infant Seat: Grade A
We had no trouble installing the infant seat thanks to the accessible lower anchors. Our 5-foot-6-inch front passenger had ample legroom in front of the seat.
Rear-Facing Convertible: Grade A
As with the infant seat, we had no fit or connection issues with the rear-facing convertible.
Forward-Facing Convertible: Grade A
In forward-facing mode, the convertible was also easy to install via accessible Latch anchors, and it fit well after raising the head restraint to situate it flush against the seatback.
Booster Seat: Grade A
Raising the head restraint helps the booster sit flush against the seatback for a good fit. The SUV’s buckles are stable and sit just high enough for easy usage.

About Cars.com’s Car Seat Checks
Editors Jennifer Geiger and Jennifer Newman are certified child safety seat installation technicians.
For the Car Seat Check, we use a Chicco KeyFit 30 infant-safety seat, a Graco Contender 65 convertible seat and Graco TurboBooster seat. The front seats are adjusted for a 6-foot driver and a shorter passenger. The three child seats are installed in the second row. The booster seat sits behind the driver’s seat, and the infant and convertible seats are installed behind the front passenger seat.
We also install the forward-facing convertible in the second row’s middle seat with the booster and infant seat in the outboard seats to see if three car seats will fit; a child sitting in the booster seat must be able to reach the seat belt buckle. If there’s a third row, we install the booster seat and a forward-facing convertible. Learn more about how we conduct our Car Seat Checks.
Parents should also remember that they can use the Latch system or a seat belt to install a car seat, and that Latch anchors have a weight limit of 65 pounds, including the weight of the child and the weight of the seat itself.
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