Like other Britax models, installing the One4Life is fairly straightforward thanks to their ClickTight technology, which lets you install the seat using the seatbelt.

ClickTight feature The Britax ClickTight feature helps make installation easy. To install your car seat using this feature, turn the key to open the bottom of the seat. Thread and connect the seat ...

ClickTight feature The Britax ClickTight feature helps make installation easy. To install your car seat using this feature, turn the key to open the bottom of the seat. Thread and connect the seat ...

ClickTight feature The Britax ClickTight feature helps make installation easy. To install your car seat using this feature, turn the key to open the bottom of the seat. Thread and connect the seat ...

ClickTight feature The Britax ClickTight feature helps make installation easy. To install your car seat using this feature, turn the key to open the bottom of the seat. Thread and connect the seat ...