Take the 2-minute tour ×  I am looking for an aftermarket device
that turn off the engine when the car is in rest and turn on the
engine when the throttle is pushed. Which are the producer?
Where i can find it on internet?  share|improve this question
Just to clarify: you are asking for an aftermarket system that
replaces the action of the ignition key? As in, come to a red
light, turn the engine off? –  Bob Cross Aug 13 '12 at 17:44
Auto start-stop means that when you come to a complete stop but
remain in gear, the engine turns off, and then re-starts before
you drive off. Different companies have implemented it
differently (and for auto/manual). On my car, releasing the
brake restarts the engine. All new BMW's have this. There are
various implementations - some use the starter, some don't. – 
Steven Berkovitz Aug 14 '12 at 2:41 @StevenBerkovitz, yes, I'm
familiar with the principle and the implementation in BMWs. The
original post was very spare in terms of word count: I'm trying
to ensure that someone tryi