Our 2006 Subaru Outback is aging, most days well, some days expensively, but all days...it's getting older. Old isn't bad. But old can mean...being careful instead of fearlessly forging ahead. Careful about driving too hard, too far, on a hot day. The Subie, it turns out, has a lightweight cooling system, and our climate is far from lightweight. It's heavyweight. 95-103 degrees for weeks on end. Lots of hills and stop and go traffic and opportunities to go "Sonova..is this going to be the day the steam will pour from beneath the hood, the temperature gauge will redline and I will grab my water bottle and medical bag and hoof it to the nearest...exit, or cool place?" I stress a lot while driving Subie during the summer, I'm not gonna lie. I worry that the car I lusted after for decades, finally appropriated during my final year of med school because it snows a lot in Santa Fe and I had to drive between there and Albuquerque several times a week..will r...