Did you check the thermometer on Thursday morning? It was 1 F here (Canton) at 8 am...
A couple days before xmas the roads were clear, so I took the Boxster out for a half hour drive to Ann Arbor and back, the temps were in the 20s, but no salt so I had some fun (cold air = +HP). After things dry up next week we'll probably have clear roads for a few days, so I take it out again then.
I use my battery tenders on the cars that I don't start up at all for months at a time, but since I drive the Box usually at least once a month, I don't even bother. I will get the full charger out at the 3-week point and pump 6 amps or so through the battery for an hour or so, more to keep the electrolyte from stratifying than anything.
ERic
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