Hmm. Well in my home city of awesome Adelaide we have temperatures that range from -6 to 46C (or 21.2F to 114.8F for all the guys who still insist on using old money...) As for the "quarter windows" thing on the Australian variant of the D-50, we are not amused. They pose as a gaping hole in being able to secure the cab, they rust and the general consensus is they are ugly. Most guys are looking for a way to fit full sliding glass into their L200's. They might have been the choice Mitsubishi made to cut costs as few L200's were fitted with air con and they were very much aware of what Australia's climate was like (ventilation of the cab and what-not...)