What does it mean when the cruise light is on in a car?

1 Answers
MiguelFitz
07/29/25 11:10am
When the cruise light is on in a car, it indicates that the cruise control system is activated. Cruise control, also known as speed control system or autonomous driving system, is used to maintain a constant speed for the vehicle. Once the driver sets the desired speed and activates the system, there is no need to press the accelerator pedal, as the vehicle will automatically maintain the set speed. The working principle of the cruise control system involves the cruise control module comparing the pulse signals from the speed sensor with the preset speed and then issuing commands to the servo mechanism to adjust the throttle opening, either increasing or decreasing it, to ensure the vehicle maintains the set speed.
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