*Returns not accepted on any opened, used, or defective product. Contact manufacturer directly for further defective products/parts. From Maxi Cosi, this base features: Featuring FlexiSpin, our rotation technology that makes getting your little one in and out of their car seat easier than ever and reduces back strain This base also features TensionFix, which solves the most common installation problem 7 out of 10 parents unknowingly have loose vehicle belt tension TensionFix is our patent-pending red-to-green indicator on the seat's base that shows you when your belt has tension Imported.