Electronic stability control is a great thing and at $600, there is no question that it's worth it. ESC basically takes every motion of the car into account and keeps the vehicle on the road in situations such as a slide, or otherwise abrupt maneuver. The greatest thing is that the computer does all of its thinking in nanoseconds and reacts before the driver can even have a first thought. Further, an inexperienced driver's inputs can often be the wrong ones, making their situation worse, but with ESC all your daughter would have to do is manage the accelerator, brakes, and steering wheel in a reasonably normal way, and the ESC would take care of the rest. No figuring out how to counter steer, or pump brakes, or when to let off of the gas pedal. Simply put, ESC can think and react to situations before they get scary, the human brain often can't. ESC is worth the money, even at a cost substantially more than Scion's $600. I'd say buy it.
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