Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
DJG-22371
DOREL JUVENILE: SOME CONSUMERS EXPERIENCED DIFFICULTY WHEN ATTACHING OR DETACHING THE CHILD RESTRAINT BASE. READ AND FOLLOW THE INSTRUCTIONS ON HOW TO PROPERLY INSTALL THE CARRIER TO THE BASE AND TO REMOVE THE CARRIER FROM THE BASE. MODELS MAXI COSI 22-371, 22-372 AND BASE 22-515. *PE
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.