Subaru Legacy Key Fob Battery Remote Replacement (1999 – 2021)

The Subaru Legacy has by now earned its name. For over three decades this sedan has cruised roads across the globe and shown great reliability doing so. There are five different key fobs used with the Legacy over the years. All of these devices are easy to open and take inexpensive, easy-to-find batteries. Check below to see video tutorials on how to change the batteries in each of these key fobs.

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

MODELFOBYEARSBATTERYBUY BATTERY
LegacySilver Sides2015, 2016, 2017, 2018, 2019, 2020, 2021CR2032Check on Amazon
LegacyFixed Key2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019CR1620Check on Amazon
LegacyRectangular2006, 2007, 2008CR1620Check on Amazon
LegacyTeardrop2006, 2007CR2025Check on Amazon
LegacySimple1999, 2000, 2001, 2002, 2003, 2004CR2032Check on Amazon

How to replace the Subaru Legacy “Silver Sides” key fob battery (2015, 2016, 2017, 2018, 2019, 2020, 2021)

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
Subaru Legacy Key Fob Battery Replacement (2015 - 2021)

This is the battery you need for the Subaru Legacy “Silver Sides” 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 Subaru Legacy “Fixed Key” key fob battery (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019)

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 CR1620 battery
  • Flat-head screwdriver
Subaru Legacy Key Fob Battery Replacement (2008 - 2013)

This is the battery you need for the Subaru Legacy “Fixed Key” key fob:

Amazon Basics 2 Pack CR1620 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 2-pack of CR1620 3 volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • DESIGNED TO LAST: Long-lasting, reliable battery life; performs in extreme temperatures

How to replace the Subaru Legacy “Rectangular” key fob battery (2006, 2007, 2008)

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 CR1620 battery
  • Flat-head screwdriver
Subaru Legacy Key Fob Battery Replacement (2006 - 2008)

This is the battery you need for the Subaru Legacy “Rectangular” key fob:

Amazon Basics 2 Pack CR1620 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 2-pack of CR1620 3 volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • DESIGNED TO LAST: Long-lasting, reliable battery life; performs in extreme temperatures

How to replace the Subaru Legacy “Teardrop” key fob battery (2006, 2007)

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 CR2025 battery
  • Flat-head screwdriver
Subaru Legacy Key Fob Battery Replacement (2006 - 2007)

This is the battery you need for the Subaru Legacy “Teardrop” key fob:

Sale
Energizer 2025 Batteries, Lithium CR2025 Battery, 2 Count
  • 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.Operating temperature:-30C to 60C
  • Holds power for up to 10 years in storage, ensuring you have Lithium Coin Batteries ready when you need them

How to replace the Subaru Legacy “Simple” key fob battery (1999, 2000, 2001, 2002, 2003, 2004)

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
  • Precision screwdriver
Subaru Legacy Key Fob Battery Replacement (1999 - 2004)

This is the battery you need for the Subaru Legacy “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

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

Sale
6 PCS Precision Screwdriver Sets, Eyeglass Repair Kit Screwdriver, Mini Screwdriver Set, Flat Head and Philips Head Screwdriver Sets, With 6 Different Sizes, Suitable For Watch, Electronic Repairs
  • 1【6 Different Sizes】Precision screwdriver set, The set includes 2 cross sizes (#0,#1); 4 flat head sizes(1.4 mm, 2.0 mm, 2.4 mm, 3.0 mm); mini screwdriver is your daily electronic repair, watch repair, jewelry repair Perfect choice for any other small screws.
  • 2【Rotating Design】Eyeglass repair kit, The end cover adopts a rotating design, which is flexible to rotate, and the gap is tightly combined,and it is comfortable to use. Rotating end cap improves efficiency and is easy to use.
  • 3【High Quality】Our precision screwdriver set is made of high-quality chrome vanadium steel material, hardened carbon steel shaft, black oxidation treatment, durable and corrosion-resistant. The screwdriver is small and very suitable for small screws.