Seat buckle and tongue may not properly engage when latched and would not meet requirements of fmvss 213.
The risk
Latch mechanism may appear to be locked, but it IS falsely locked; the latch could come open and eject the child in an accident or sudden stop, substantially reducing the protection provided to the child.
The remedy
Install replacement buckle tongue available from manufacturer. for more information, please contact evenflo at 800-233-5921.