Does the Auto Start-Stop Function Really Harm the Car?

2 Answers
AaliyahMarie
07/29/25 5:16pm
The auto start-stop function does not harm the car. Below is a detailed introduction to the auto start-stop technology: 1. The start-stop function only stops the engine from working, but the oil system does not stop. This means that although the engine is not rotating, the oil will still flow inside the engine, ensuring better lubrication and protection for the engine when the car starts again. 2. The auto start-stop technology is a system that can automatically control the engine shutdown and ignition, known in English as STOP&START, abbreviated as STT. Vehicles equipped with auto start-stop technology will automatically shut down the engine when temporarily stopping during driving. When it is time to move forward again, the system will automatically restart the engine. Generally, the auto start-stop function is enabled by default in vehicles, but owners can choose to turn it off if they don't need it. 3. The advantage of the auto start-stop technology is fuel savings. Whether waiting at a red light or stuck in traffic, the auto start-stop technology can automatically turn off the engine when the car stops, thereby saving fuel. However, the cost of using the car will increase. Cars with an auto start-stop system are several thousand dollars more expensive than those without. Additionally, due to the frequent starting and stopping of the engine, there is a higher demand for oil quality, further increasing maintenance costs.
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DiLaila
08/14/25 7:52am
I've driven several cars with auto start-stop function, to be honest, the engineers designed it well from the start—it won't randomly harm the car. The starting system is reinforced, and both the motor and battery use high-spec materials, like AGM batteries that can handle frequent starts and stops. From my experience, with many traffic lights during daily commutes, it saves about 10% on fuel costs, and the engine has run smoothly for over two years without issues. Just remember not to keep the brake pressed for too long, which keeps the system working excessively, and avoid using it in extreme traffic congestion. Maintain battery health by checking the voltage regularly. Those rumors about excessive wear are mostly rare cases, as new cars have been optimized for this. In short, the function's original purpose is fuel efficiency and environmental friendliness, and under normal use, its impact on the car is minimal.
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