10 warning signs of a car battery about to break

Văn Thắng (T/H) |

Here are 10 warning signs of a car battery about to break down that car owners need to pay attention to so as not to affect the use process or the car "falling on the road".

Unusually blurred phase light

If the car's headlights look blurred or weaker than usual, this could be one of the first signs that the car's battery is running low in liquid. When there is not enough liquid, the battery will have difficulty providing enough electricity, leading to weaker operating lights.

Slow- starting engine

The slow start of the engine shows that the car's battery is having problems with low fluid levels, unable to provide enough strong electricity for the engine to start quickly and decisively.

The leaked battery

Liquid leakage from the battery often occurs when the liquid level drops too low, causing the car battery to get too hot and the battery shell to crack. Leaked acid not only causes corrosion of surrounding parts but also significantly reduces battery performance.

battery shell swollen

An enlarged or deformed battery shell is a signal of internal overheating, the main cause of which is low fluid levels. This condition reduces the integrity and performance of the battery. Therefore, the owner needs to handle it immediately when detecting the battery shell being inflated to avoid further damage, endangering himself.

Vehicles often need to detonate

If your car often needs support from another vehicle to start, check the battery. Not having enough liquid reduces the battery's ability to store electricity, causing the engine to start unstably. Having to detonate multiple times also signals a deeper problem, which may require maintenance or even replacement of car batteries for better use.

Weak vehicle cage

The light, indecisive sound of the car horn is an unusual sign that the car owner needs to pay attention to. Low fluid levels reduce output voltage, affecting electrical consumption accessories such as horns. Since the horn depends on strong electricity, any power decline is a clear signal that the battery's performance is rapidly declining.

Flashing interior lights

Low fluid levels can reduce the battery's ability to regulate electrical output, disrupting the lighting system in the cabin. Instead of waiting for the electrical system to completely break down, vehicle owners should take the vehicle to reputable garages to check the battery and liquidity. Resolving problems early can prevent inconveniences.

Power adjustment windows are slow to operate

Power windows require a short but strong power line to operate. Therefore, any decline in battery performance can be immediately noticed through performance. This symptom is often overlooked because it can appear at the same time as other warning signs.

Weak battery warning light on the dashboard

Car battery warning lights on the dashboard often appear in cars using lead acid batteries, especially when the liquid level drops below the optimal level. While the lights may flash at first, they will usually turn on continuously as the problem becomes more serious. Over time, this warning can lead to poor performance.

Car alarm system has problems

Cases of self-activated car alarms of unknown cause or fully activated alarms may stem from weak vehicle batteries. Because the alarm system relies on a stable power source even when the vehicle is turned off any fluctuations in electricity due to a loss of fluid or damage inside the battery can disrupt the performance of the system.

Văn Thắng (T/H)
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