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  2. Automated emergency braking system - Wikipedia

    en.wikipedia.org/wiki/Automated_emergency...

    Early warning systems were attempted as early as the late 1950s. An example is Cadillac, which developed a prototype vehicle named the Cadillac Cyclone which used the new radar technology to detect objects in front of the car with the radar sensors mounted inside "nose cones". It was deemed too costly to manufacture.

  3. Early warning system - Wikipedia

    en.wikipedia.org/wiki/Early_warning_system

    An early warning system is a warning system that can be implemented as a chain of information communication systems and comprises sensors, event detection and decision subsystems for early identification of hazards. They work together to forecast and signal disturbances that adversely affect the stability of the physical world, providing time ...

  4. Siren (alarm) - Wikipedia

    en.wikipedia.org/wiki/Siren_(alarm)

    An 1860s-era siren. [ 2 ] A siren is a loud noise-making device. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines. There are two general types: mechanical and electronic.

  5. Emergency vehicle equipment - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_equipment

    When an emergency vehicle is responding, it often uses audio warning devices in addition to the visual warnings provided by its warning lights. Audio warning devices are turned off once the vehicle is on-scene. Such devices include: Sirens - These can be fully electronic, electric, or manual, but are all designed to create changing sound ...

  6. Collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance_system

    A collision avoidance system (CAS), also known as a pre-crash system, forward collision warning system (FCW), or collision mitigation system, is an advanced driver-assistance system designed to prevent or reduce the severity of a collision. [2] In its basic form, a forward collision warning system monitors a vehicle's speed, the speed of the ...

  7. 25 Freebies To Ask For When Buying a New Car - AOL

    www.aol.com/25-freebies-ask-buying-car-120037836...

    Early Warning Device (EWD) EWDs are small, cheap and effective pieces of safety equipment that you strategically place toward oncoming traffic if you get a flat or otherwise have to stop on the ...

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