Timed it: less than a second when cold and when warm it's a second plus. I guess a second feels like an eternity when there is a line behind you that wants that parking spot you're backing out of.

__________________
1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).