I just want to reiterate how much I hate this feature. When I forget to turn it off or actually try to drive with it on, it's just so **** annoying and dangerous.
To activate it you have to step on the brakes to a certain degree but you can still be in a full stop and it won't shut the engine down unless you step on the brake further. On more than one occasion now, I don't press on the brakes enough for it to activate but then would active (engine shuts off) right when I am about to let go of the brakes and when I step on the gas the car does nothing but revs without moving. This takes maybe a 2-3 seconds which is a long time when you are waiting for the car to move, it could mean a crash or not especially when making a turn on an intersection or entering a street from a driveway or parking lot.