Test it first in an inconspicuous place. / Clean any dirt or debris off the blade before use. / Do not use on uneven surfaces or/ locations without condensation or water droplets. This may/ deformtheblade. / Do not use on mirrors with surface treatments or anti-fog surfaces/ Do not use on painted surfaces of cars. / Be careful not to drop product from apartment patios or high locations. / Do not drop this product or hit it on other objects. / Immediately discontinue use if the product becomes deformed or damaged. / Keep away from fire and other sources of heat. / Do not use this product for purposes other than its/ intended purposes.