Battery / Charging System
Electrical
The charging system is not functioning properly. The battery is not being charged by the alternator.
Quick answer
You can drive short distances, but get the vehicle serviced soon to avoid further damage.
Battery / Charging System on your specific vehicle
Select your make, model, and year for a guide tailored to your car.
Covers Toyota, Honda, Ford, Chevrolet, Nissan, Hyundai, Jeep and popular models 2015–2024.
What does this warning light look like?
The battery / charging system appears in your instrument cluster or dashboard. It's sometimes described as: red battery, battery light, alternator, charging, plus minus, car battery.
Commonly searched phrases
People often search for: battery light on car • red battery symbol dashboard • alternator warning light • car battery light meaning • charging system light
Common causes
- Failing alternator
- Corroded or loose battery terminals
- Old or weak battery
- Broken serpentine belt
- Faulty voltage regulator
Common symptoms
If this light is on and you notice one of these, it may point to a specific cause:
- If light on and headlights dim at idle …Likely cause: Weak alternator or loose belt
- If light on and car won’t start or clicks …Likely cause: Dead or weak battery
- If light on after jump-start, then goes off …Likely cause: Battery was low; have charging system checked
What to tell your mechanic
Use this script so you sound informed and get a clear diagnosis before agreeing to repairs:
“The battery/charging light is on. Can you test the battery and alternator output and check the belt and connections?”
Can I keep driving?
Short distances only. Drive carefully and get serviced soon.
What to do
Turn off unnecessary electrical accessories. Drive to a mechanic or auto parts store for a battery and alternator test.
Estimated repair cost
$150–$800
Exact cost depends on the cause, your vehicle, and labor rates in your area.
Frequently asked questions
- What does the Battery / Charging System mean?
- The charging system is not functioning properly. The battery is not being charged by the alternator.
- Can I drive with the Battery / Charging System on?
- Short distances only. Drive carefully and get serviced soon.
- What should I do if I see the Battery / Charging System?
- Turn off unnecessary electrical accessories. Drive to a mechanic or auto parts store for a battery and alternator test.
- How much does it cost to fix the Battery / Charging System?
- Repair costs typically range from $150–$800. The exact cost depends on the cause and your vehicle.
Other Electrical lights
You might also see these dashboard symbols in the same category: