Disclosed is a universal, in-vehicle attachment system comprising open slots whereby a similarly shaped storage unit with complimentary prongs is inserted, providing a secure and easy fastening attachment device designed to secure devices and items in place within the vehicle such as, for example, cellular phones, CDs or DVDs, bottles, mugs, cups, coolers, bike racks, and PDAs. This in-vehicle storage or securing attachment system can be molded to conform directly to the size and shape of the particular object or, alternatively, a more generic type receptacle can be used to secure such items. Further, the in-vehicle attachment system is incorporated into the vehicle, with multiple locations, including the seat back panel, instrument panel, door panel, quarter panel, floor panel, or other interior surfaces.