Advance driver assistance systems or ADAS refer to the suite of technologies in modern vehicles that help drivers in various situations to avoid collisions and accidents. ADAS technologies uses sensors, cameras and radar along with computer systems to continuously monitor the vehicle's surroundings. Some of the most common ADAS features available today include adaptive cruise control, lane departure warning, blind spot monitoring, automatic emergency braking, parking assist and rear cross traffic alert.

Adaptive Cruise Control

Adaptive cruise control (ACC) is one of the pioneering Advance Driver Assistance System technologies that help drivers maintain a safe following distance from vehicles ahead. ACC uses a radar or camera sensor to detect vehicles in front and adjusts the vehicle speed automatically to match the speed of the preceding vehicle. If the vehicle ahead slows down, the ACC slows the vehicle as well by reducing throttle input and applying brakes if required to maintain the set following gap. This takes some load off the driver especially in stop-and-go traffic conditions. Most advanced ACC systems can even bring the vehicle to a complete stop if needed and accelerate automatically when traffic starts moving again.

Lane Departure Warning

Lane departure warning (LDW) utilizes a front-facing camera to monitor the lane markings on the road. If the system detects the vehicle drifting out of its lane without use of turn signals, it alerts the driver with an audible or haptic warning. Some LDW systems are even capable of providing steering input to guide the vehicle back into its lane. This helps reduce risks of unintentional lane departures which often lead to head-on collisions or running off the road. The lane keeping assist takes it a step further by actively steering to keep the vehicle centered in its lane at all times unless a turn signal is activated by the driver.

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