What happens when a hybrid car battery dies?

I’ve had my Toyota Camry Hybrid for a few years now. I love it, but lately, I’ve been noticing I’m getting worse gas mileage than usual. Is it possible that my car battery is dying? What happens when a hybrid car’s battery dies?

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Answer provided by
Melanie Johnson
Answered on Feb 24, 2022
Sorry to hear your battery is acting funny. When a hybrid car battery starts to die, the car can experience a decrease in fuel economy or it won’t hold a charge. When the battery completely dies, the car will be inoperable.
Here are four signs that your hybrid car battery is dying:
  • Reduced fuel economy
  • Erratic charging or vehicle not holding charge
  • Engine running more than it should or kicking on when it shouldn’t
  • Strange engine noises
Hybrid batteries are generally guaranteed for 80,000 to 100,000 miles—which equates to about 10 years of driving time. Since you haven’t had your car very long, it’s likely that your battery failure falls within the warranty period, so replacement costs will be covered.
Best to take your car to a mechanic right away to accurately diagnose a faulty hybrid battery. Best of luck!
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