Kia Optima Key Fob Battery Remote Replacement (2006 – 2021)

The Kia Optima, also known as the Magnetic, K5, and Lotze, has used four types of key fobs across its over two-decade run. It’s easy to change the internal battery inside a Kia Optima key fob—in this guide, you’ll learn how to do so without any special knowledge or professional tools.

For other Kia models, see our Kia key fob battery page.

MODELFOBYEARSBATTERYBUY BATTERY
OptimaCircular Button2014, 2015, 2016, 2017, 2018, 2019, 2020CR2032Check on Amazon
OptimaFlip2014, 2015, 2016, 2017, 2018, 2019, 2020CR2032Check on Amazon
OptimaMain2011, 2012, 2013CR2032Check on Amazon
OptimaSimple2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013CR2032Check on Amazon

How to replace the Kia Optima “Circular Button” key fob battery (2014, 2015, 2016, 2017, 2018, 2019, 2020)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2032 battery
  • Flat-head screwdriver
Kia Optima Key Fob Battery Replacement (2014 - 2020)

This is the battery you need for the Kia Optima “Circular Button” key fob:

Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life

How to replace the Kia Optima “Flip” key fob battery (2014, 2015, 2016, 2017, 2018, 2019, 2020)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2032 battery
  • Flat-head screwdriver
Kia Optima Key Fob Battery Replacement (2014 - 2020)

This is the battery you need for the Kia Optima “Flip” key fob:

Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life

How to replace the Kia Optima “Main” key fob battery (2011, 2012, 2013)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2032 battery
  • Flat-head screwdriver
Kia Optima Key Fob Battery Replacement (2011 - 2013)

This is the battery you need for the Kia Optima “Main” key fob:

Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life

How to replace the Kia Optima “Simple” key fob battery (2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2032 battery
  • Flat-head screwdriver
Kia Optima Key Fob Battery Replacement (2006 - 2013)

This is the battery you need for the Kia Optima “Simple” key fob:

Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life