Child Safety Seat Ease of Use Ratings


Are All Seats Safe?
All car seats rated by NHTSA meet Federal Safety Standards & strict crash performance standards. While all rated seats are safe, they do differ in their ease of use in four basic catagories:


Evaluation of Instructions

Vehicle Installation Features

Evaluation of Labels

Securing the Child


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Diono Monterey (B)



Manufacturer  /  Model NameDiono Monterey
Model Number  /  Manufacture Date15000  /  Aug 29, 2016
Harness TypeHighback/No Back
Weight  /  Height40lb - 120lb / 38" - 63"
Evaluation of Labels 1 stars
There is not a full picture of a child properly restrained in the child seat directly next to sizing information on the labeling. Supplemental sizing information is given in text only on the labels (not illustrated). The belt routing path is not completely labeled. The belt routing path is not completely labeled. The warning on the label does not explicitly state that a lap-only belt may not be used, and it is written in text only (not illustrated).
Evaluation of Instructions 4 stars
The manual cannot be accessed while the car seat is installed in this mode and the child is in the car seat. No full picture exists of a properly restrained child next to sizing information in the owner's manual. No supplemental sizing information beyond the minimum/maximum heights/weights is given in the owner's manual. The warning that the safest place for children is the rear seat is contained in a bulleted list and is not illustrated. There is no warning against using a lap-only belt in the belt routing section of the manual.
Securing the Child 1 stars
The seat was not fully assembled for the smallest occupant when removed from the packaging. There are no illustrations on the car seat to show how to convert the seat from highback to no back mode.
Installation Features 5 stars
Overall Ease of Use Rating 3 stars

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