Auto Veteran - Cruise Control: Understanding Its Functionality and Best Practices

Cruise Control: Understanding Its Functionality and Best Practices

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Auto Veteran
Updated on Dec 04, 2024

Cruise control refers to an automated system that keeps a car running at a constant pace without needing hand-on manipulation consistently from the operator. This has been part of car design since 1950s when it was first introduced with idea reducing long distance drivers’ tiredness.

Nowadays, there are more advanced systems integrated with sensors and communication technologies making traveling safer and more efficient than before.

User-centred design evaluation of symbols for adaptive cruise control

Works of Cruise Control

This automated system makes the car drive at a constant speed by interfacing its sensors with various actuators which include:

  1. Headway Sensor (Radar, Lidar, or Image) which measures the distance between your car and another in front of you adjusting accordingly so that there is a safe following distance
  2. Vehicle Speed Sensor which monitors how fast your current car is moving by sending data to the control unit through it
  3. Accelerator Pedal Position Sensor that keeps checking the position of the pedal hence adjusting the throttle
  4. Brake Pedal Position Sensor whose work is to ensure the deactivation of this feature when you press brakes.

Actuators include:

  1. Throttle Actuator which controls the throttle in order to keep the constant speed
  2. Brakes: They are used for slowing down the car whenever need arises in advanced systems such as Adaptive Cruise Control (ACC)

Is it bad to brake while cruise control is enabled?

For the data from these sensors to reach the control unit in time, the system communicates via the Control Area Network (CAN) Bus System. The control unit adjusts speed by varying the throttle position and applying brakes when necessary.


Setting Speed and Distance

Setting speed:

  1. Press on the plus or minus keys of your car steering wheel to lock speed.
  2. Alternatively after accelerating normally you can set manually desired speed by pressing a button located on the dashboard which acts to fix cars at that particular rate.
  3. Most systems start working at speeds of about 25 MPH or more.

Cruise control distance

Setting distance:

  • Choose the following distance you wish to keep from cars in front of you.
  • Usually, it is short, medium, or long-distance setting options.
  • More space increases safety since traffic is unpredictable.


Best Practices for Using Cruise Control

Tips for optimal use include:-

  1. Use it on highways where there is less or no interruption of cars.
  2. Even though speed is automated by cruise control, being far from being asleep you are to watch everything on the road.
  3. When road conditions change you should increase or decrease speed by using + or – buttons respectively.
  4. In dense traffic, increase the following distance to reduce accidents.
  5. Cruise control must never be engaged during storms since wet roads cause slipperiness and snow underscored road traction.


Things to Avoid

  1. Avoid using cruise control while in jam: you may have to act fast when cars ahead suddenly stop or during lane changes.
  2. This feature was designed for straight auto routes, which do not have too many corners and hills. One should not use it on such paths.
  3. People are being deceived if they think they can rely on it under adverse weather conditions: driving experience will be quite bad if roads are wet or covered by ice since tires will have less grip which will make stopping distances longer.


Challenges of Using Cruise Control

However convenient they may be, they are not foolproof: sometimes it will not work where turning roads are concerned. In addition, there is no provision for pedestrians or unexpected obstacles hence need remain vigilant.

On top of that, adaptive cruise control systems might respond too slowly when the situation is changing quickly. This can cause a complacency that is false. Relying on cruise control without paying attention causes bad driving habits.


Cruise control can assist long drive weary drivers but should not replace active driving.isure that you always ready to take over completely.

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