You can determine the lower anchor weight limit by checking the warning label or installation diagrams located on the side of the car seat. Lower anchors have weight limits set by the vehicle and car seat manufacturers. IMPORTANT: Both installation methods are designed to work with the tether to achieve the highest level of safety for child passengers restrained in forward-facing car seats. NHTSA recommends always using a tether with a forward-facing car seat-installed with your vehicle’s seat belt OR the lower anchors-as long as it is permitted by both the car seat and vehicle manufacturers. However, installations vary from model to model, so you must review your particular car seat’s instructions and your vehicle’s owner manual carefully.įollow your car seat manufacturer’s instructions regarding when and how to use the tether for your particular seat.

Most rear-facing car seats in the United States do not use a tether for installation. It’s adjustable and has a hook and strap that connects to one of your vehicle’s tether anchors. The tether is located on the top rear of convertible, combination, and all-in-one car seats. Used to secure a forward-facing car seat and limit forward head movement in a crash Used to install the car seat in a vehicle with lower anchors Tether Fasten lower anchor attachments on the car seat to the lower anchors in the vehicle. Attach top tether from the car seat to the tether anchor in the vehicle.

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