I tried it and it is true that it heats well, we're still in a summer season I do not think sufficiently objective, I'll add comments later. Straps used to secure the cushion to prevent slipping. In fact, in use, the straps jump and slide the cushion because it is no longer maintenu.Et so it proved in use, the cushion all the time, the straps have not required The lead wire is long enough. There are actually two levels of heating as possible. A low and a high. We are in winter now and I really appreciate the speed of this heating pad that manages to get warm before heating of my car which is nevertheless new