Do you often use the cruise control function of the car? Do you think this function is reliable?

Do you often use the cruise control function of the car? Do you think this function is reliable? As long as I get on the highway, I will use the function of cruise control. I think this function is very reliable. So far, there has been no problem. Simply speaking, the principle of constant speed cruise is that a cruise control module reads the signal sent by the ABS sensor of the vehicle and compares it with the set speed, so as to send an instruction to control the throttle opening and keep the vehicle speed at the speed set by the driver.

For example, when the vehicle goes uphill, the cruise control module reads that the pulse signal of the ABS sensor becomes weak, and at this time, the cruise module sends a signal, and after reading, the throttle opening is increased to keep the vehicle speed at the set standard value; When going downhill, the cruise control module reads that the pulse signal of ABS sensor increases, and then controls the throttle to decrease the opening.

The cruise control function is very reliable and practical. As long as I get on the highway, I will directly turn on the cruise control function. I will set the speed at 125 at the speed limit 120, and at 105 at the speed limit 100, and then I can basically free my feet all the way.

The cruise control operation is simple: turn on the cruise button and the instrument cruise light will light up. When the vehicle speed reaches 40KM/h, press the SET key and release the throttle, and the cruise control will be successful. As long as you step on the brake and the cruise is interrupted, press the constant speed before RES recovery; During cruising, SET increases speed and RES decreases speed.

Advantages of using cruise control:

1, according to the universal characteristic curve, it can be known that for all internal combustion engines, when the engine speed is maintained at 2000-2500 rpm, the engine works at the maximum and the fuel economy is the highest, while when we are driving at high speed, the constant speed cruise keeps the speed at a fixed value and the speed is maintained at about 2500 rpm, and the driving computer controls the fuel injection to be uniform and the fuel economy is the most economical.

2. Relax your feet and increase your comfort. If you keep stepping on the accelerator at high speed, your feet will ache and cramp for too long. Cruise at a constant speed can avoid this problem, but the disadvantage is that if you don't operate the throttle brake and gear for a long time, it will lead to visual fatigue and the driver will be easily tired, so it is best to switch back and forth and use it reasonably.

The possibility of cruise control failure is almost zero. Simply put, the engine ECU controls the cruise control module. The cruise control module judges the error between the actual vehicle speed and the set vehicle speed by reading the signal from the ABS sensor, and then the cruise control module transmits a signal to the throttle to control the throttle opening, thus adjusting the vehicle speed.

In this process, the ECU control system and cruise control module of the engine play a major role. When the cruise control module of the vehicle fails, the cruise control function will fail, and the speed can be controlled by braking. If the engine ECU fails, the engine will not work, and the cruise control will also fail, so in any case, the cruise control will not fail.

Self-rescue method of cruise control failure 1, frequent light braking, general braking will cancel cruise control, reduce engine fuel supply and effectively control power output.

2, cut neutral, disconnect the power output of the engine to the gearbox, thus reducing the speed.

3. Never turn off the engine directly, which will cause the vehicle to lose power and cause an accident.

To sum up, every time I get on the highway or encounter good road conditions and few vehicles, I always turn on the cruise control function directly. No problem was found after using it, so you can use it with confidence.