If you’re looking to install a Britax car seat base, there are a few things you’ll need before getting started. First, make sure your car has the appropriate mounting hardware. Second, find the right size base for your car. And finally, read through the installation instructions to get started. To install a Britax car seat base, start by locating the mounting hardware that comes with your seat. You’ll need to use this hardware to attach the base to your car’s seat frame. Once you have the mounting hardware in place, it’s time to find the right size base for your car. The base will fit most cars, but make sure to check the measurements before buying it so that it will fit properly in your vehicle. Once you have found the right size base and installed the mounting hardware, it’s time to read through the installation instructions that came with your seat. These instructions will walk you through each step of installing your new seatbase. Be sure to follow them carefully so that everything goes smoothly and you don’t end up with any problems later on down the road ..