A circle on the car "off" means that the automatic start-stop function of the car engine has been turned off, most car owners do not understand the start-stop function of the engine, after turning off this function, the instrument panel will appear "A circle off" The words, if you want to remove this warning, you can choose the button of "engine start", and then click "on". The start and stop buttons vary depending on the model, but they are marked with "A One Lap Off" next to them.
The so-called "automatic start and stop" is actually an intelligent "STT" energy-saving technology, which is that when the vehicle needs to stop temporarily, it will automatically turn offWhen there is a need to move forward, it will open itself;Especially when it's red, it's smart and fuel-efficient;Its English name is "Stop & Start", abbreviated as STT.
Back in the 1970s, Toyota had a long-term practical test, when the car stopped 1At 5 seconds, the engine will automatically turn off;This technology consumes a lot of fuel, and according to the data, it is possible to save 10% of fuel. However, in 2006, as the European Union has higher and higher requirements for environmental protection, the start and stop functions of cars have become a trend.
Audi A1, A8L, Q3, Q5, Q7, BMW, 7 Series, X1, X3, Volvo, Porsche, are all equipped with this system. With the continuous progress of science and technology, the automatic start-stop system has been developed, even if it is started frequently, there will not be much loss, and there is not much impact on the service life of the battery.
Automatic start and stop is very useful, but also pay attention to the following points: serious traffic jams in the city, ramps, novice parking and storage, wading, especially when wading, be sure to turn off the automatic start and stop function, so as not to suddenly turn off in the process of driving, and then forcibly start, resulting in water into the engine, resulting in the engine scrapped.