What To Do When Battery Light Comes On?

If your battery light turns on, do the following: Examine the battery. Examine the terminals of your vehicle’s battery for evidence of corrosion or damage. Examine the alternator. Look for any loose or missing electrical connections on your alternator. Take note of the serpentine belt. Examine your fuses. Examine the battery.

Similarly, What could cause the battery light to come on?

A lit battery light might indicate a variety of problems, including: A corroded or loose battery cable Alternator or voltage regulator malfunction. Inside the battery, there are damaged cells or plates.

Also, it is asked, Can you drive with battery light on?

While driving your vehicle with the light on is somewhat safe for you physically, it is not safe for ensuring that you arrive at your destination without a breakdown; nor is it safe for other components that may be impacted by a weak battery, such as the alternator or computerized equipment.

Secondly, How long can I drive my car after the battery light comes on?

In any case, it’s something you should look into. If you have enough energy to start the vehicle, you may safely drive it on whatever charge is left, but it won’t last long – perhaps 30 to 60 minutes at most. The electrical systems will begin to fail if the battery is not charged.

Also, How do you tell if it’s your battery or alternator?

You have an alternator or battery issue if your car’s battery won’t retain a charge. You have a malfunctioning alternator if your battery can start your automobile but dies while it is running. It’s a battery problem if your battery has been charged but you still can’t start your car.

People also ask, How do you reset the battery light?

In no time, you’ll be driving without that annoying light flashing in your face if you follow these easy instructions. Step 1: Check That The Battery Is Fully Charged: Disconnect the battery in Step 2: Step 3: Take a 30-minute break: Reconnect the battery in Step 4: Step 5: Begin Driving:

Related Questions and Answers

How long can a car run without alternator?

If your vehicle’s alternator isn’t working correctly, you’ll only be able to go around 25 miles before the battery runs out. For a total distance of 25 miles, the maximum travel duration is generally about 30 minutes per mile.

What causes battery light to come on and off?

It might be an indication of a defective or dead battery, a charging issue, a malfunctioning alternator, a wiring problem, and so on. While it is possible to drive with the battery light on, it is not advised.

Can a fuse cause battery light to come on?

Your vehicle’s battery charging system may or may not be affected by the fuses. However, a blown fuse between the battery and the alternator is possible. The car’s battery light may illuminate as a result of this problem. Following that, you should look for a damaged serpentine belt and replace it if required.

What are the signs of a bad battery?

So you don’t get caught out in the cold, keep an eye out for these five warning indicators of a poor battery. Headlights are dim. When you turn the key, it makes a clicking sound. Crank slowly. To begin, you must depress the gas pedal. Backfiring.

What are the symptoms of a bad alternator?

4 Signs That Your Alternator Is Faulty Car Will Not Start A vehicle that won’t start nearly invariably has a dead battery. Engine has stalled. A vehicle that won’t start nearly invariably has a dead alternator. Electrical problems A failing alternator may cause a slew of additional electrical problems. Strange Sounds

Can alternator drain battery?

An alternator, contrary to its function, may deplete a battery. It’s uncommon, but not impossible. A draw on the battery happens only when there is a problem with an alternator component or the connections to it.

How long does it take for a battery light to reset?

After some investigation, I discovered that the problem may be resolved by doing a battery reset. The message may be reset on its own, but the vehicle must be left alone for at least eight hours. Perhaps your work/driving schedule prevents the vehicle from sitting long enough.

Why is my battery light on when I just changed my battery?

When the system voltage is too high or too low, the airbag computer will set a code and illuminate the warning light. When the issue is fixed, the light should turn off. It may not get out right now, however.

What kills an alternator?

Running an alternator in full charge mode for an extended period of time will kill it, therefore having your new alternator attempt to charge your dead battery might result in alternator failure.

Will car start if alternator is bad?

You try to start your automobile, but it won’t start when you turn the key – and your stomach sinks. When your automobile won’t start, it’s usually due to a problem with the battery or alternator.

What happens if alternator goes out while driving?

If your alternator fails, your automobile will not move quickly. You won’t be able to start your vehicle without your alternator since it charges the battery, therefore you’ll need a tow to the technician. A dead alternator will cause your battery to die during regular usage.

How much will it cost to replace an alternator?

A malfunctioning alternator will typically cost between $400 and $600 in components and labor. This price, however, generally refers to a reconditioned alternator. Depending on the sort of car you have, new alternators might cost anywhere from $500 to $1000.

Can AutoZone check my alternator?

Your alternator, starter, or battery will be checked for free at any AutoZone in the United States.

How can I test if my alternator is bad at home?

A battery test is simple to do and may be completed at home. To begin, open the hood and start the vehicle. Remove the negative cable from the battery while the engine is running. The alternator is most likely faulty if the car stalls or dies.

How long do batteries last?

3-five years

Can a car battery go dead from sitting?

Before the battery dies, your automobile may rest for four to two months without being driven. The fact that your vehicle battery is in use even when you’re not driving is the reason why it can only sit for so long before it dies.

What is the average lifespan of a car battery?

between three and four years

How do I check if my alternator is working?

Running your automobile and then removing the positive connector of the battery is an easy test to see whether the alternator is operating. If the automobile suddenly stops, the alternator is most likely to blame. Check your interior lighting as another easy test.

How do I know if I need a new alternator?

7 Signs Your Alternator Is Failing Dim or very bright lighting Battery is dead. Accessories that are slow or broken. Starting problems or frequent stalling Noises of growling or whining Burning Rubber or Wires Smell Battery Alert Dash is lit up.

Is it worth replacing an alternator?

If the alternator isn’t working properly, it’s typically best to replace it totally. While new ones might be costly, they are normally preferable to remanufactured or rebuilt alternatives. Because the mechanical components have previously been used, they are unlikely to survive as long as a new one.

Why does my car battery keep dying overnight?

Loose or corroded battery connections, continuous electrical drains, charging difficulties, continually requiring more power than the alternator can deliver, and even harsh weather are some of the most typical causes for a vehicle battery to die repeatedly.

Can alternator be repaired?

When an alternator is repaired, any defective components are replaced. A trained mechanic may also replace components that are on the verge of failing. Depending on the cost of the components that need to be replaced, this option may be the most cost-effective for the vehicle owner.

What usually fails in an alternator?

Bearing failure is one of the most prevalent types of failure. Dirt and heat may cause the needle bearings that enable the rotor to spin freely within the stator to fail. The rotor will not spin effectively if the bearings fail, and it may finally seize. An alternator with failed bearings usually creates a loud grinding noise.

What is the lifespan of an alternator?

around 80,000 to 150,000 miles

What does it mean if your car won’t start but the lights come on?

If your headlights turn on but your vehicle won’t start, it suggests your battery is charged but the starter or ignition is malfunctioning. A starting engine may be jumped using a charged battery if the starter or ignition is the issue.


When the battery light on your car comes on, it could be a sign of a problem. It is important to know what to do when this happens. The answer is that the car should still run fine even if the light is on.

This Video Should Help:

The “how long can you drive with battery light on” is a question that many people have. The answer to this question is, if the battery light comes on, your car should be able to go about 30 miles before it will need to be recharged.

Related Tags

  • is it safe to drive my car with the battery light on
  • battery light on but alternator is charging
  • battery light on while driving
  • battery light stays on for a few minutes
  • battery light on dashboard

Similar Posts