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