HARMONY HARMONY BIG BOOST DELUXE Child Seat Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
HARMONY BIG BOOST DELUXE Child Seat
Brand
HARMONY
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Harmony Juvenile Products is recalling certain HARMONY BIG BOOST DELUXE child seats due to child seat issues. Excessive chest force can increase the risk of injury..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Harmony Juvenile Products (Harmony) is recalling certain Harmony Big Boost Deluxe booster seats. In the event of a crash, the seat belt may cause excessive force to be applied to the restrained child's chest. As such, these booster seats fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 213, "Child Restraint Systems."
Reported concern (NHTSA)
Excessive chest force can increase the risk of injury.
Recommended Action
Per NHTSA guidance
Harmony will notify owners, and provide a replacement booster seat of a different model, free of charge to eligible U.S. consumers who currently own a Big Boost unit and are the original purchaser, original owner, and/or original user of the Big Boost unit. Interim notices informing owners of the safety risk were mailed August 21, 2018. The recall began July 3, 2020. Owners may contact Harmony customer service at 1-877-306-1001.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026