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.
| MODEL | FOB | YEARS | BATTERY | BUY BATTERY |
|---|---|---|---|---|
| Optima | Circular Button | 2014, 2015, 2016, 2017, 2018, 2019, 2020 | CR2032 | Check on Amazon |
| Optima | Flip | 2014, 2015, 2016, 2017, 2018, 2019, 2020 | CR2032 | Check on Amazon |
| Optima | Main | 2011, 2012, 2013 | CR2032 | Check on Amazon |
| Optima | Simple | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 | CR2032 | Check on Amazon |
Contents
- How to replace the Kia Optima “Circular Button” key fob battery (2014, 2015, 2016, 2017, 2018, 2019, 2020)
- How to replace the Kia Optima “Flip” key fob battery (2014, 2015, 2016, 2017, 2018, 2019, 2020)
- How to replace the Kia Optima “Main” key fob battery (2011, 2012, 2013)
- How to replace the Kia Optima “Simple” key fob battery (2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013)
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
This is the battery you need for the Kia Optima “Circular Button” key fob:
- 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
This is the battery you need for the Kia Optima “Flip” key fob:
- 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
This is the battery you need for the Kia Optima “Main” key fob:
- 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
This is the battery you need for the Kia Optima “Simple” key fob:
- 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