How Does Cruise Control Work? Does the Cruise Control System Need to Be Maintained?

August 31, 2023

Cruise control, the unsung hero of long highway journeys, has undoubtedly transformed the way we travel. It's that trusty feature that lets us set a speed and relax, freeing our foot from the gas pedal. But have you ever wondered how this magical system works, or if it needs any maintenance?


How Does Cruise Control Work?


Cruise control is an interesting system, designed to maintain a constant speed without the need for constant manual throttle control.


When you engage in cruise control, you set your desired speed using buttons or controls on your steering wheel or dashboard. The system takes over control of the throttle, adjusting it as needed to maintain your chosen speed. It does this by monitoring the vehicle's speed through sensors.


Most modern cruise control systems allow for intervention. You can typically override the system by tapping the brake pedal, hitting the clutch (in manual transmission vehicles), or deactivating it through the controls. You can resume the preset speed after interruption or cancel cruise control altogether, returning to manual control.


-Most people forget that cruise control exists, so take advantage of it!


Does Cruise Control Need Maintenance?


Yes, like most systems in your vehicle, cruise control can benefit from periodic maintenance. Here are some considerations:


  • Vehicle Service: Regular vehicle maintenance, including checking engine performance and sensors, can indirectly affect cruise control. Ensure your vehicle is in good overall condition.
  • Sensors and Wiring: Cruise control relies on various sensors and electrical connections. Ensure these are clean, free from corrosion, and securely connected.
  • Brake and Clutch Pedal Switches: The cruise control system often deactivates when you hit the brake or clutch pedal. If these switches are misaligned or faulty, they can affect system performance.
  • Software Updates: In modern vehicles, cruise control systems are integrated with the vehicle's computer. Periodic software updates, if available, can enhance performance.
  • User Manual: Always refer to your vehicle's user manual for specific maintenance recommendations regarding the cruise control system.


With the cruise control system being a part of your electrical ecosystem, don't hesitate to visit a repair shop if it's malfunctioning. "But which shop should I visit?! There are so many." - don't worry because Three Suns Auto Care is here to help out at all times no matter the problem!


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