Acura Key Fob Batteries & How to Replace Them

Acura is a Japanese car maker, a brand of Honda. It has 12 models and 6 different car key fobs used in their vehicles over the years.

Acura Vehicle Models

Click on your model below to see a guide. Each page shows you all of the key fobs used for that model and a tutorial on how to change your battery at home. Or, you can scroll down to see a chart with each key fob and its information.

PICTUREKEYYEARSBUY BATTERY
Smart 5-Button2014 – PresentCR2032 Check on Amazon
Smart 4-Button2014 – PresentCR2032 Check on Amazon
Silver Sides2009 – 2015CR2032 Check on Amazon
Flip2007 – 2014CR1616 Check on Amazon
Pill-Shaped1997 – 2008CR2025 Check on Amazon
Pill Black1997 – 2008CR2025 Check on Amazon
Pill Old1994 – 2003CR2025 Check on Amazon

How to change the battery in the “Smart 5-Button” Acura key fob

Acura RDX Key Fob Battery Replacement (2016 - 2018)
AmazonBasics CR2032 3 Volt Lithium Coin Cell Battery - 4-Pack
  • 4-pack of lithium coin cell batteries; CR2032 cell size
  • 8-year leak-free shelf life, ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • Replacement for BR2032, DL2032, and ECR2032

How to change the battery in the “Smart 4-Button” Acura key fob

Acura RDX Key Fob Battery Replacement (2016 - 2020)
AmazonBasics CR2032 3 Volt Lithium Coin Cell Battery - 4-Pack
  • 4-pack of lithium coin cell batteries; CR2032 cell size
  • 8-year leak-free shelf life, ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • Replacement for BR2032, DL2032, and ECR2032

How to change the battery in the “Silver Sides” Acura key fob

Acura ILX Key Fob Battery Replacement (2013 - 2015)
AmazonBasics CR2032 3 Volt Lithium Coin Cell Battery - 4-Pack
  • 4-pack of lithium coin cell batteries; CR2032 cell size
  • 8-year leak-free shelf life, ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • Replacement for BR2032, DL2032, and ECR2032

How to change the battery in the “Flip” Acura key fob

Acura MDX Key Fob Battery Replacement (2007 - 2014)
AmazonBasics CR1616 Lithium Coin Cell Battery - 2-Pack
  • 2-Pack of CR1616 lithium coin cell batteries for small electronic devices
  • Powers devices such as watches, calculators, sporting goods, games, medical devices, and more
  • Long-lasting, reliable battery life; performs in extreme temperatures

How to change the battery in the “Pill-Shaped” Acura key fob

Acura TSX Key Fob Battery Replacement (2004 - 2008)
Sale
Energizer CR2025 Battery, 3V Lithium Coin Cell 2025 Batteries (2 Battery Count) - Packaging May Vary
  • Energizer 2025 Lithium Coin Battery
  • Delivers long-lasting, dependable performance in specialty devices like heart rate monitors, remotes, keyless entry systems, glucose monitors, toys, and games
  • Holds power for up to 10 years in storage, ensuring you have Lithium Coin Batteries ready when you need them

How to change the battery in the “Pill Black” Acura key fob

Acura TSX Key Fob Battery Replacement (2004 - 2008)
Sale
Energizer CR2025 Battery, 3V Lithium Coin Cell 2025 Batteries (2 Battery Count) - Packaging May Vary
  • Energizer 2025 Lithium Coin Battery
  • Delivers long-lasting, dependable performance in specialty devices like heart rate monitors, remotes, keyless entry systems, glucose monitors, toys, and games
  • Holds power for up to 10 years in storage, ensuring you have Lithium Coin Batteries ready when you need them

How to change the battery in the “Pill Old” Acura key fob

Acura TSX Key Fob Battery Replacement (2004 - 2008)
Sale
Energizer CR2025 Battery, 3V Lithium Coin Cell 2025 Batteries (2 Battery Count) - Packaging May Vary
  • Energizer 2025 Lithium Coin Battery
  • Delivers long-lasting, dependable performance in specialty devices like heart rate monitors, remotes, keyless entry systems, glucose monitors, toys, and games
  • Holds power for up to 10 years in storage, ensuring you have Lithium Coin Batteries ready when you need them

Frequently Asked Questions

What battery goes in my Acura key?
The battery for your key depends on the type of key fob. Scroll up to the chart to see which one you have. The most common Acura key batteries are 3v coin batteries like the: CR2025, CR2032, and CR1616.

Where can I buy Acura key fob batteries?
For the best prices, you can buy the batteries on Amazon. Your battery will come right to your door—no need to shop around the hardware store. Here are all of the batteries used in Acura key fobs. Click on your battery to buy on it on Amazon: CR2025 battery, CR1616 battery, CR2032 battery.

How much does it cost to replace a Acura car key?
Getting a new battery at a dealership will cost you significantly more than doing it yourself. If you only need a new battery, you can order it on Amazon for a few dollars and follow one of our tutorials to change it yourself. If you need to replace the entire key job it will be more expensive.

How do you change the battery in a 2017 Acura key fob?
It depends on what key fob type you have. Some years have many different key fobs in use at the same time—there is no one correct answer. See our table above to find your specific device. If you have a 2017 Acura, you most likely are using the “Smart 5-Button” or “Smart 4-Button” key fob. Both of these take one CR2032 battery. Scroll up to see a full DIY video that will teach you to change the battery in these key fobs.

How do you change the battery in a Acura MDX key fob?
Most Acura models use more than one key fob. Click on “MDX” from the list on the top of this page to see which key fob type you have along with a full video tutorial.