Here is a great animation demonstrating the new Lexus pre-collision radar based system in action that can actually route someone around an obstacle.
The available Pre-Collision System (PCS) is equipped with a front-mounted radar sensor that constantly monitors the distance of the vehicle ahead. When the PCS computer determines that a frontal collision is unavoidable, it preemptively tightens the front seatbelts and engages the Brake Assist for increased braking force when the driver steps on the brake pedal.
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