Why doesn’t my RX350 battery stay charged?

A battery that won't hold a charge is almost as good as dead. It may be getting old. Or, you’ve been leaving the doors slightly open and the lights on overnight. Stop by for a complimentary battery check at your local Firestone Complete Auto Care and get a handle on your car battery’s health.

What happens to my old RX350 battery?

We recycle it, taking care of both your car and the Earth.

How much do DieHard batteries cost for your Lexus RX350?

Lexus RX350 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.

What is the average lifespan of a car battery?

Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.

What is the white, crusty substance accumulating on my RX350’s battery post?

A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your RX350 car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

How do I clean corrosion off my RX350 vehicle battery?

Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.

Where can I find a battery for my RX350?

At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install RX350 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.

2024 Lexus RX350 Batteries

Get a New Lexus Battery

Get a Battery for Your Lexus RX350

Don't let a failing battery slow you down. Shop replacement batteries for 2024 Lexus RX350s today and schedule a quick installation at Firestone Complete Auto Care.

Shop Batteries

Shopping for Lexus RX350 Car Batteries

You can pretty much drive your Lexus RX350 until you don't want to anymore. But your RX350's battery? Don't count on it to last forever. Generally, car batteries last from three to five years. You want to replace your 2024 Lexus RX350 battery before it fails and leaves you stranded. Watch for signs that your current battery is getting too old or too weak. A slow engine crank, an illuminated battery or check engine light, bloated battery case, corroded battery posts, or dim headlights can all be signs that your battery is on its last leg.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. With best-in-class tools we can tell you how much "life" is left in your battery. Visit us for a complimentary battery check and, if needed, a replacement battery for your 2024 Lexus RX350. Car batteries are one of our many specialties! Our expert technicians understand Lexus service recommendations for RX350 battery cold cranking amps and reserve capacity. Get help choosing the battery size that matches your vehicle, and schedule an appointment today for a quick car battery replacement.

Find the Right DieHard Battery for Your RX350

We know what’s best for your Lexus RX350, which is why we only carry top-of-the-line replacement parts and batteries. You need a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond and house the latest technology to fuel the increasing power needs of new vehicles. Don't call a DieHard battery ordinary. It's an extraordinary battery. Buy a DieHard battery for your Lexus RX350 and drive with confidence knowing that performance will be there when you're counting on it. That's the kind of battery we deliver.

Caring for a New Lexus RX350 Battery

Have you recently had a fresh battery installed in your Lexus RX350? Great job! Give your new car battery the best start with proper care. Give your new battery a hand by cutting back on unnecessary short trips, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.

Commonly Asked RX350 Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have battery questions that are Lexus RX350-specific, stop by your nearest store. Our technicians are happy to help.

Why doesn’t my RX350 battery stay charged? A battery that won't hold a charge is almost as good as dead. It may be getting old. Or, you’ve been leaving the doors slightly open and the lights on overnight. Stop by for a complimentary battery check at your local Firestone Complete Auto Care and get a handle on your car battery’s health.
What happens to my old RX350 battery? We recycle it, taking care of both your car and the Earth.
How much do DieHard batteries cost for your Lexus RX350? Lexus RX350 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.
What is the average lifespan of a car battery? Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.
What is the white, crusty substance accumulating on my RX350’s battery post? A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your RX350 car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.
How do I clean corrosion off my RX350 vehicle battery? Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.
Where can I find a battery for my RX350? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install RX350 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.