In order to avoid the difficulty of starting the car when it is cold, it is necessary to start from the source, that is, the battery of the vehicle. The designed service life of most car batteries is about 3 years, but many times we neglect the time to replace the batteries, resulting in some batteries that have been used for nearly 4 years but are still “in service”. common cause.
In fact, when we are driving, we can find some clues as long as we observe carefully. For example, the starter is not as powerful as before, the sound of the horn is not as loud as before, and the lights are not as bright as before when driving at night. etc. These are all signals that the battery is in poor working condition, reminding you not to forget to maintain the battery in time.