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ACC – Adaptive Cruise Control

Adaptive Cruise Control (ACC; sometimes also called autonomous cruise control) is an evolution of standard cruise control where the car is able to adjust its speed of travel based on its surrounding environment – often based on what the car in front is doing.

If the car in front of you slows down then your car will automatically slow down as well, then speed up again when the car in front does so.

This makes the system extremely useful for motorway driving and busier periods such as rush hour.

Some systems (often mentioned as having traffic jam assist or something similar) will allow the car to slow all the way to a stop then will automatically creep forward with the traffic in front during a traffic jam situation.

Advantages:

  • Enhanced safety over traditional cruise control
  • Can reduce driver fatigue and stress in busy traffic situations

Disadvantages:

  • Can cause drivers to pay less attention to traffic in front

Things to be aware of:

  • Some systems can leave a large gap between your car and the one in front, allowing other cars to slot into that gap which causes your car to slow further in order to build the gap back up.
    This is especially common in the UAE where following distances tend to be shorter than in other countries.