Wonderbar:

Does the stop mechanism turn the engine off everytime you stop?  Stupid question, but could not find answer before...

In my experience it's a little more complicated than that.

First, the engine has to be warmed up before one would like to permit the start/stop to begin.  Cold engines are more temperamental (unpredictable?) than warm ones.

There also seems to be a small time delay after the car has stopped before the engine shuts down, called "leaving your foot on the brake pedal".  This prevents a "bucking" effect if one is continuously inching along in stop-and-go traffic using a nervous brake foot.

In my experience, the engine seems to shut down when it should and not when it shouldn't.  Apart from being a new experience, it seems just right to me.

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Mike

2005 Carrera GT + 2008 Tesla Roadster +2010 Panamera Turbo + 2001 BMW Z8 + 1972 BMW 3.0 CSi +2009 Bentley Arnage T