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#Battery warning lights driver#

Your car’s battery ages and loses its ability to store and release energy over time. This means: To minimize the risk, switching on electronic devices only when you need them is important.

High power consumption in the vehicle, i.e., running several “power hogs” simultaneously, such as radio, air conditioning, lights, windshield wipers, rear window defroster, and other electronic devices, can quickly drain the battery.Ĭaution: This can lead to increased risk, especially if these devices are left on for long periods. Several reasons exist for the battery warning light to suddenly light up on your dashboard: Reason 1: High-power consumer in the vehicle. Reasons for the “Battery Alert” Warning Sign to Appear Then let’s look at common causes for the battery warning light to go off in the next chapter. The warning system works by constantly monitoring the battery voltage during operation and immediately warning you as soon as the voltage drops below a certain level.

#Battery warning lights driver#

The technology behind the battery warning light is an indispensable warning system that alerts you as a driver to a weak battery before it is too late. The older the battery, the less reliable it is.

The age of the battery also plays an important role in its functionality. Without power, your car won’t even start!Ī weak battery can be caused by several factors, such as a long period of non-use of the vehicle (battery discharges while stationary), frequent short trips, and cold or heat. So, a working battery is essential to operate a vehicle properly. The battery is an essential power source for your vehicle by starting the starter and supplying power to the engine during operation. So at this point, we’ll dive briefly into vehicle lore.īut don’t panic: We don’t want to make an engineer out of you 😉. To better understand why the battery warning light occurs, it’s important to know how the vehicle’s battery works. Background: Why the Battery Warning Light is Really Important The red or amber icon can be either permanently lit or flashing to alert the driver to a low battery. The “Battery Alert” warning sign is usually displayed as a battery icon on the vehicle’s dashboard. A Brief Introduction to the Battery Warning Light on Your Dashboard Power consumers while stationary should be avoided at all costs. To prevent battery problems, regular checks should be performed.

This primarily includes reducing power consumption in the vehicle and starting/running the engine.

When the warning sign appears, you should take IMMEDIATE action.

Possible causes for this warning light to come on are high power consumption in the vehicle (battery is being discharged), the age of the battery, bad weather conditions, or a malfunction of the charging system.

The battery warning light indicates possible problems with your vehicle’s battery.

We receive a small commission on sales, nothing changes for you. When the battery warning light illuminates while the engine is running, it indicates the battery is not being charged, this is a dire situation.Īfter the battery depletes, the car will stop due to inadequate or no electric power and cannot be started again as the battery has no more power/voltage.Advertising links are marked with *. When the car is started the battery warning light goes out immediately, indicating the charging system is working correctly. The battery supplies the car’s system with electricity, but the alternator is responsible for keeping the battery charged(filled with electricity)Ĭars runs mainly on a 12-volt system, but when being charged constantly the voltage goes up to approx, 14 volts, compensating for a drop in voltage due to long cabling and other various factors.Ĭonnected between the Alternator and the Battery is a warning light in the shape of a battery icon(top in the illustration-on the dashboard), this warning light illuminates when the ignition is turned on, to indicate the circuit is functioning. In the above illustration, we see the basic components making up a car’s electrical system, in relation to the battery warning light, we will consider the Battery(far left) and Alternator(far right)