Start-stop systems have become increasingly common in modern vehicles as a way to improve fuel efficiency. When the vehicle comes to a complete stop, such as at a red light or in heavy traffic, the engine automatically shuts off. As soon as the driver takes their foot off the brake, the engine restarts instantly once pressure is applied to the gas pedal. This reduces unnecessary idlin... https://logcla.com/blogs/518677/Understanding-Start-Stop-Batteries-and-their-Importance-in-Automotive-Technology