Originally Posted by PratoN
Christ. Are you sure about that? It takes my car about 10 minutes to get to operating temperature at 0*F.
EDIT: But the first 5 minutes is stop-and-go city driving, so there is probably a lot of idling going on.
Completely, the first -20 weather I was worried how long it would take and like I said, about 5min. This is on the automatic setting at 20.5