In the evening at work, Ms. Sun is ready to drive home as usual. When it was started, it was found that the car couldn't get fire and it sounded when it started. Ms. Sun hurriedly called the 4S shop and rescue workers told her that the battery was dead. Ms. Sun had already checked in the morning when she was at work. The air-conditioner and lights were all turned off. There were no power-consuming devices. How was the battery suddenly gone dead?

I believe friends who drive regularly will occasionally encounter the same problems as Ms. Sun. 4S shop maintenance personnel said that the best way to prevent the battery from suddenly being discharged is to pay attention to the “signs of distress” issued by your car. This signal has the following manifestations: First, the starter does not turn or rotate so weak that the starter cannot be started; second, the headlights are darker than usual; and third, the speaker volume is small or not. When the above problem occurs, the owner must check whether it is a battery problem.

In order to minimize the battery's power consumption, 4S shop experts put forward two suggestions: First, to avoid turning off the lights or listening to the radio for a long time while the engine is off. Second, even if the engine is running, if the parking time is longer, it should be Turn off the power of unnecessary electrical equipment (lights inside and outside the car, audio, navigation, etc.). To develop good car habits can avoid unnecessary difficulties.

But if there is a sudden battery outage, there are several ways to "self-help."

First, the start of the cart is the most familiar and most effective emergency starting method, but this is a last resort and cannot be used often because it has some damage to the engine and the clutch. The automatic vehicle should especially avoid using this. Method start.

Second, in order to avoid charging the battery when it is dead, the owner should prepare a jumper cable in the car, which can be purchased in general auto parts stores. However, when connecting jumper cables, you must not mistake the connection sequence of jumper cables. First, connect the positive terminal of the dead battery to the positive terminal of the rescue vehicle battery, and then connect the negative terminal of the rescue vehicle battery to the metal part of the interior of the engine compartment of the electric car (grounding line). After the jumper cable is connected, the engine of the rescue vehicle can be started, and the engine speed can be slightly increased. After about 5 minutes, the uncharged battery can be charged. After charging is complete, remove the jumper cable in the reverse order of connecting the jumper cables.

The most reliable way is to contact the rescue vehicle in time, then connect the jumper cable and temporarily charge the rescue vehicle to start the engine.

Finally, experts advise that the battery life is generally 2 to 3 years. After this period, the car pays special attention to the maintenance of the battery, and if necessary, it is replaced in time to avoid danger.

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