[. . . ] For devices purchased outside the European Union, the warranty terms issued by our respective responsible domestic agency are valid. [. . . ] When drilling holes, ensure that no vehicle components (battery, cables, fuse boxes) are damaged. To maintain noise immunity, route all antenna wires at a sufficient distance to wiring harnesses. We do not assume any liability for damages caused by improper installation or use or by any use other than for the intended purpose. To ensure a flawless function, the installation must be performed on a level metal surface (metal roof). [. . . ] To dispose of the product, please use the available waste return and collection systems. [. . . ]