Toyota Corolla Key Fob Battery Replacement (2003 – 2021)

This page shows you the simplest step-by-step guide for your Toyota corolla key fob battery replacement DIY.

No doubt, the Toyota Corolla is the best-selling car of all time. Since 1982 Toyota has sold an incredible 44 million Corollas worldwide.

If your Corolla key fob battery is dead, you can learn how to change the battery without the help of a dealership.

In only a couple of minutes, this guide will show you how to change the batteries in all Corolla keys since 2003. Scroll down to find the video tutorial and the written instructions that best match your device.

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

MODELFOBYEARSBATTERYBUY BATTERY
CorollaSmart2019, 2020, 2021CR2032Check on Amazon
CorollaFlip2017, 2018, 2019, 2020, 2021CR1620Check on Amazon
CorollaTombstone2014, 2015, 2016, 2017, 2018, 2019, 2020CR2032Check on Amazon
CorollaFixed2014, 2015, 2016, 2017, 2018, 2019CR2016Check on Amazon
CorollaTriangular Fixed2009, 2010, 2011, 2012, 2013CR2016Check on Amazon
CorollaRounded Rectangle2010, 2011, 2012, 2013CR1632Check on Amazon
CorollaSimple2003, 2004, 2005, 2006, 2007, 2008CR2016Check on Amazon

How to Replace the Toyota Corolla “Smart” Key Fob Battery (2019, 2020, 2021)

Toyota corolla key fob battery replacement

This guide shows you how to separate your remote key into two halves and install a new battery in with no stress. Ready? Watch the video below for a step-by-step tutorial on how to perform a Toyota Corolla key fob battery replacement.

What you will need:

  • 1x CR2032 battery
  • Small flathead screwdriver
  • Precision screwdriver

 

Toyota Corolla Key Fob Battery Replacement (2019 - 2021)

CR2032

This is the battery you need for the Toyota Corolla “Smart” key fob:

These are the precision screwdrivers I used to open this key fob in the video:

How to Replace the Toyota Corolla “Flip” Key Fob Battery (2017-2021)

Opening this remote key fob takes less time. Once you can gently pry open the back cover to access the dead battery, you’re good to go. Click the link to discover the easy DIY guide for your Toyota corolla key fob battery replacement.

What you will need:

  • 1x CR21620 battery
  • Small flathead screwdriver
  • Precision screwdriver

Note that you may need to check the manufacturers or owners manual to confirm the battery type of your key fob.

Toyota Corolla Key Fob Battery Replacement (2017 - 2021)

This is the battery you need for the Toyota Corolla “Flip” key fob:

These are the precision screwdrivers I used to open this key fob in the video:

How to Replace the Toyota Corolla “Tombstone” Key Fob Battery (2014-2020)

Toyota corolla key fob battery replacement

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

What you will need:

  • 1x CR2032 battery
  • Small flathead screwdriver

Remember to test your new battery: unlock and lock the car doors to confirm there is no error and the remote key fob is working perfectly.

Toyota Corolla Key Fob Battery Replacement (2014 - 2020)

This is the battery you need for the Toyota Corolla “Tombstone” key fob:

How to Replace the Toyota Corolla “Fixed” Key Fob Battery (2014-2019)

Watch the video below for a step-by-step tutorial on Toyota corolla key fob battery replacement DIY.

What you will need:

  • 1x CR2016 battery
  • Flat-head screwdriver

Your new key fob battery will now lock and unlock your car doors with ease!

Toyota Corolla Key Fob Battery Replacement (2014 - 2019)

This is the battery you need for the Toyota Corolla “Fixed” key fob:

How to Replace the Toyota Corolla “Triangular Fixed” Key Fob Battery (2009-2013)

Toyota corolla key fob battery replacement

The process is pretty simple. All you have to do is locate the edge to pry open the back covers into two halves. Open up the control module, gently pull out the dead battery and have it replaced with a new one. Note that, you need to keep the positive side of the battery facing up.

For a step-by-step tutorial on how to change the battery in your Toyota remote key fob, watch the video below.

What you will need:

  • 1x CR2016 battery
  • Flat-head screwdriver
Toyota Corolla Key Fob Battery Replacement (2009 - 2013)

This is the battery you need for the Toyota Corolla “Triangular Fixed” key fob:

How to Replace the Toyota Corolla “Rounded Rectangle” Key Fob Battery (2010, 2011, 2012, 2013)

Opening this remote key fob requires no dealer service and no expensive price. Simply watch the video below for a step-by-step tutorial on your Toyota corolla key fob battery replacement DIY.

What you will need:

  • 1x CR1632 battery
  • Flat-head screwdriver

Lock and unlock your car doors to enjoy your remote keyless entry system.

Toyota Corolla Key Fob Battery Replacement (2010 - 2013)

This is the battery you need for the Toyota Corolla “Rounded Rectangle” key fob:

How to Replace the Toyota Corolla “Simple” Key Fob Battery (2003-2008)

Toyota corolla key fob battery replacement

This is another simple Toyota Corolla key fob battery replacement guide. Pry open the cover to access the dead battery and install a new one correctly. For a well-detailed guide, watch the video below on how to change the battery.

What you will need:

  • 1x CR2016 battery
  • Flat-head screwdriver
Toyota Corolla Key Fob Battery Replacement (2003 - 2008)

This is the battery you need for the Toyota Corolla “Simple” key fob:

Frequently Asked Questions

What type of battery does a Toyota corolla car use?

Depending on the car model, a Toyota corolla key fob can take a CR2032, CR2016 CR1632, or CR1620 battery. Be sure to check the manufacturer’s guide before you buy

Can I change the key fob battery in my Toyota myself?

Yes, you can. Scroll up to locate the most suitable video for your battery type and change your Toyota key fob dead battery like a pro!

Bottom Line

When you start to notice your Toyota keys take longer to respond to unlock and lock clicks, it means there is a reduction in the signal strength. This is a sign that you need to perform a Toyota corolla key fob battery replacement.

Follow the guide above to replace the batteries. You will also find the links for purchasing them easily online.