Manuals Brands Optimus Car Stereo System Optimus Car Stereo System Manuals ManualAgent has more than 7 Optimus Car Stereo System manual(s) covering 7 model(s). 1 C D Models Document Type 1 120-1998 User's Manual 120-2154 User's Manual 120-2155 User's Manual C CD-8250 User's Manual CD-8400 User's Manual D Dec-54 User's Manual Dec-55 User's Manual