[. . . ] [. . . ] For correct fit, it is necessary to remove the factory floor mat before installing your new floor liners. Your liners are made from an engineering resin that is lightweight and extremely tough and durable. Use of Armor All®, Son-of-a-Gun® or similar items is discouraged as these products make the liners slick. INSTALLATION INSTRUCTIONS FOR YOUR SUBURBAN/ YUKON XL THIRD SEAT FLOOR LINERS FRONT OF VEHICLE LEFT OR DRIVER'S SIDE RIGHT OR PASSENGER SIDE NOTICE: LEFT LINER OVERLAPS RIGHT LINER IF YOUR SUBURBAN OR YUKON XL IS EQUIPPED WITH THE 60/40 SPLIT SECOND SEAT, YOU MAY NEED TO TRIM YOUR LINER. [. . . ] [. . . ]