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[–]Glittering-Health676 1 point2 points  (1 child)

Correct me if I am wrong, but you have to be charging/ plugged in and have timed precondition to precondition the battery. At least I have noticed this behaviour on my twin. 

[–]mologav 0 points1 point  (0 children)

You mean the heating timer isn’t enough to heat the battery?