What does ACC in a car mean?

2 Answers
DiIris
08/29/25 2:17am
ACC in a car means: When the ACC light is on, it can supply power to the car, as well as to the audio system and lights. It is the power supply indicator of the car. The function of ACC is that if you want to drive, it will automatically turn off during ignition to provide power to the car, and it can resume normal operation after ignition is completed. The car power supply, also known as a power inverter, is a device that can convert DC12V direct current into AC220V alternating current, which is the same as the mains electricity, for use by general electrical appliances. It is a convenient power converter and is named as such because it is commonly used in cars. The car power supply is not only suitable for vehicle systems but can also be used in any situation where there is a DC12V power source. It converts DC12V into AC220V alternating current, bringing convenience to people's lives.
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DelLaura
09/10/25 7:04am
ACC stands for Adaptive Cruise Control, which is an intelligent driving assistance feature now equipped in many vehicles. I often use ACC when driving on highways, as it automatically adjusts the speed to maintain a safe distance from the vehicle ahead. Unlike traditional cruise control that only maintains a set speed, ACC uses radar to detect the speed of the preceding vehicle—slowing down if the car ahead slows and accelerating if it speeds up, eliminating the need to worry about the throttle or brakes. ACC is particularly useful in traffic jams, saving me a lot of effort. The safety distance can be set manually, such as near, medium, or far, and the system will also warn if it's too close and there's a risk of collision. However, sensors may be affected by interference on rainy days, so it's still necessary to stay vigilant. Overall, ACC makes long-distance driving much easier, especially for someone like me who frequently drives long distances.
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