Do I have to use the Belt Tensioner when I Install Liing's base using the vehicle belt? February 07, 2020 19:57 Updated Yes, the Belt Tensioner is required to be used for all vehicle belt installations of the Liing base. Related articles Can I install Liing's base using the vehicle belt if it features a thicker loop of webbing or a plastic button? How much of the Liing base needs to be supported by the vehicle seat? Is the Load Leg required for installation? Is it better to install Liingo with LATCH or the vehicle belt? Video Manual (Canada) - Installing Liing Car Seat Base Comments 0 comments Article is closed for comments.