A car battery, like all components, has a limited lifespan and will eventually fail. Fortunately, the battery always shows some signs that something is wrong, so you have enough time to replace it before it dies. As your Nissan dealership, we’d like you to know a few signs you need to visit us for a battery replacement.
Dim Headlights
Dim headlights can be a sign that your battery is failing. When your engine is switched off, the battery supplies power to all your Nissan’s systems until the engine is running again. If the battery is weak, it can’t store enough power to supply all the systems. This can mean a system receives enough power to switch on but not enough to work as efficiently as it should.
You can test the battery to check if it’s weak by rechecking the headlight brightness when the engine is switched on. If the lights burn brighter, your battery is probably running out of juice. Alternatively, if the lights are still dim, you may need replacement headlight bulbs. If the battery seems to be the problem, we’ll check it to confirm the diagnosis and install a new one to fix the problem.
Check Battery Light
The battery light looks like a line drawing of a battery with + and – signs. This light illuminates in response to any issue that affects the electrical system. Sensors are attached to all your Nissan’s important components, and they continually supply information to your vehicle computer. These sensors can detect even minute changes in their connected component.
A healthy battery supplies 12.6 volts, while at 12.3 volts, it’s at 3/4 charge. If the sensors detect the battery voltage at 12.2 or lower, they inform your computer, and the warning light will light up. Our technicians will test your battery, and we can install a new one in minutes if the original is failing.
Rotten Egg Smell
A rotten egg smell from under the hood means your battery is weakening. This nasty smell is produced by hydrogen sulfide. Hydrogen sulfide is a corrosive, toxic gas that can form when a battery is failing. A battery contains sulfuric acid, which is used to provide the chemical reactions that enable the battery to store and supply electricity.
The acid slowly breaks down naturally as the battery ages, and hydrogen gas is released as part of the breakdown process. Hydrogen gas wafts out of the battery and mixes with sulfur molecules in the engine compartment, forming hydrogen sulfide. We can’t fix the worn battery, but we can install a new one to prevent it from failing. If you suspect your battery is in trouble, contact us today at Ken Ganley Nissan Mayfield in Mayfield Heights, OH.
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