I had one of those roll up type of cargo cover in my Insight. I resold it as it left the back compartment too warm and the plug in kit I had kept cycling off cause it got too warm. I am going to add a second body vent just for the IMA blower to vent that exhaust out the back, then make better use of the second one so it better vent the ehaust and excess heat from the enginer kit out the drivers rear. I know in the winter once I drove for an hour, the cabin was toasty warm and little heat was needed. That was a good thing as use of the heat dropped mpg like a rock and inhibit EV mode as well as auto stop.
