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What is the SET function in a car?

2 Answers

RichardDella

07/24/25 5:15pm

The SET button in a car is part of the cruise control function. How to use cruise control: Move the control lever towards the steering wheel to the CRUISE position. The cruise control system indicator on the instrument cluster will light up, indicating that the cruise control system is activated. Adjust to the desired speed, then push the control lever down to the SET- position. After releasing, the control lever will automatically return to its original position, and the current speed will be set and maintained. The cruise control setting information will be displayed on the instrument cluster's information center. How to turn off the cruise control system: Move the control lever towards the steering wheel to the CRUISE position to deactivate the cruise control system and cancel the previously set speed. The cruise control system indicator on the instrument cluster will turn off.

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DiStephen

08/11/25 9:31am

I've always thought the SET button is an incredibly practical feature, serving as a key component of the car's cruise control system, especially a lifesaver during long-distance drives. When I'm cruising on the highway at a steady speed, pressing the SET button allows the car to memorize the current speed and automatically maintain it without me constantly pressing the accelerator. This significantly reduces driving fatigue. For instance, last month I drove 400 kilometers back to my hometown, and it made the journey much more relaxed. However, it's important to note that this function works best on flat, smooth highways. Avoid using it in heavy traffic, rain, snow, or on winding roads because it won't automatically brake if something happens ahead—you'll need to cancel it manually. Actually, SET is just a basic setting button, but newer cars have upgraded to adaptive cruise control that can automatically adjust speed, though the fundamental purpose remains the same. Before using it, make sure to set a reasonable speed and never exceed speed limits—safety always comes first.

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