Because my Jag frigging hates freezing temperatures.

Among other things: the antenna needs to be gently guided by hand to full retract (after liberal application of silicon); the wiper fluid freezes, not matter how low the temperature it’s rated for; and the door locks, which use some sort of weird electronic voodoo to register a handle pull from the inside stop working regularly. And then there are the interior rattles, which are cold weather rattles and are different from the warm weather rattles, as bits loosen up..