Which safety feature uses sensors to monitor ahead and alert of potential danger by detecting a closing distance?

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Forward collision warning is built to watch the road ahead and detect when you’re closing in on the vehicle in front too quickly. It uses sensors such as radar or cameras to measure distance and relative speed, and it calculates how soon a collision could happen. When that time-to-collision falls below a safe threshold, the system warns you with alerts so you can brake or steer away in time. This specifically targets potential danger from a shrinking gap ahead, which is why it’s the best match. Lane keeping assist focuses on staying in your lane, not on objects ahead; a rearview mirror is a passive viewing aid, and a traffic alert covers traffic conditions rather than monitoring the gap to the car in front.