Depending on the model, the installation of the roof rack includes different steps. In any case, the roof rack must first be form and attached to the roof of the vehicle. The installation instructions and drawings for roof racks and roof rack feet from horntools can be found in the “FAQ and Download” section on the respective product page. Note: After installation, be sure to take a test drive and check whether the installation of the horntools component has caused any unwanted noises or changed the driving behavior in any other way.