Great article, always good to keep an eye on how your vehicle is managing the heat and most of this can be done by the owner. I see a lot of promotions and 'specials' indicating random automotive health tests, like the 'ready for summer package - only $79!', which is all too often a quick visual inspection and top-up of fluids with no real work being done.
I know running the A/C system with recirculated air eases the load on the system, I wonder if this would contribute to cooler running. If I'm in stop and go traffic, I typically turn my A/C down or off if possible.
