[. . . ] We provide a manufacturer guarantee for our products bought within the European Union. [. . . ] Disconnect the negative terminal of the battery before carrying out installation and connection work. Observe the vehicle manufacturer's safety instructions (regarding airbags, alarm systems, trip computers, vehicle immobilisers). When drilling holes, take care to avoid damage to vehicle components (battery, cables, fuse boxes). We do not assume any liability for damages caused by improper installation or use or by any use other than for the intended purpose. The adhesive strips for the antenna reach their perfect adhesion after approx. After detaching the adhesive strips from the glass, they cannot be used again. [. . . ] To dispose of the product, please use the available waste return and collection systems. [. . . ]