How to fix dead battery when forgetting to turn off car lights

When you forget to turn off the light, the battery will only run out of power and not be damaged, so you can use the ignition from another car to start it.

Illustration photo.

To answer the question "What to do if you forget to turn off the car lights and the battery is dead?" from reader Lan Anh, an expert from a Japanese battery company in Vietnam advises the following steps.

If you forget to turn off the car lights (key “On”) after a long time, the battery will run out of power but will not be damaged. Therefore, users do not need to replace the battery but handle it as follows:

Method 1: Click to start

You can use another car (with good battery) to jump start a dead car. This method is only applicable to people with basic technical knowledge (connection according to the diagram below). >> Details

After starting and running a few kilometers, the car will automatically charge and can restart. But it is best to go to the garage to fully charge the battery after starting to ensure the best quality.

Method 2: Call for help

For those who do not have basic technical knowledge, especially women, should not perform the connection from another car by themselves, it will be ineffective, unsafe for both the car and people. At this time, the best way is to call the nearest garage or battery store for support.

According to VnExpress