Subaru Forester Key Fob Battery Replacement

2015-2025 Models

This vehicle has multiple key fob types. Select your key below.

Most Common

Smart Key Fob (2016–2022)

Battery Type

CR2032

Buy CR2032 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Subaru Forester Smart Key Fob (2016–2022) Battery Replacement Video

FCC ID: 2AOKM-SB5, HYQ14AHK, HYQ14AHC, 2AOKM-SB4

Replacement Steps for Smart Key Fob (2016–2022)

Tools needed: Small flathead screwdriver

Take out the emergency key Press or slide the release on the Subaru Forester smart key fob and pull the metal key blade out.

Open the case Fit a small flathead screwdriver into the seam between the two halves and twist gently until the halves separate. Work along the edge instead of forcing one spot.

Take out the old battery Note which way the CR2032 faces, then lift it out with a fingernail or a small screwdriver tip.

Fit the new battery Put the new CR2032 in with the positive (+) side facing up, and press it flat into its holder.

Close it up and test Line up the halves and press until they click, slide the emergency key back in, then try lock and unlock from a few feet away.

Alternative

Remote Head Key (2015–2018)

Battery Type

CR1620

Buy CR1620 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Subaru Forester Remote Head Key (2015–2018) Battery Replacement Video

FCC ID: CWTWB1U811, CWTWBU766

Replacement Steps for Remote Head Key (2015–2018)

Tools needed: Small flathead screwdriver

Open the case Fit a small flathead screwdriver into the notch and twist gently until the halves separate. Work along the edge instead of forcing one spot.

Take out the old battery Note which way the CR1620 faces, then lift it out with a fingernail or a small screwdriver tip.

Fit the new battery Put the new CR1620 in with the positive (+) side facing down, and press it flat into its holder.

Close it up and test Line up the halves and press until they click, then try lock and unlock from a few feet away.

Alternative

Remote Key Fob (2015–2018)

Battery Type

CR1620

Buy CR1620 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Subaru Forester Remote Key Fob (2015–2018) Battery Replacement Video

FCC ID: CWTWB1U811

Replacement Steps for Remote Key Fob (2015–2018)

Tools needed: Small flathead screwdriver

Open the case Fit a small flathead screwdriver into the notch and twist gently until the halves separate. Work along the edge instead of forcing one spot.

Take out the old battery Note which way the CR1620 faces, then lift it out with a fingernail or a small screwdriver tip.

Fit the new battery Put the new CR1620 in with the positive (+) side facing down, and press it flat into its holder.

Close it up and test Line up the halves and press until they click, then try lock and unlock from a few feet away.

Alternative

Smart Key Fob (2023–2025)

Battery Type

CR2032

Buy CR2032 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Subaru Forester Smart Key Fob (2023–2025) Battery Replacement Video

Replacement Steps for Smart Key Fob (2023–2025)

Tools needed: Small flathead screwdriver

Open the case Fit a small flathead screwdriver into the notch and twist gently until the halves separate. Work along the edge instead of forcing one spot.

Take out the old battery Note which way the CR2032 faces, then lift it out with a fingernail or a small screwdriver tip.

Fit the new battery Put the new CR2032 in with the positive (+) side facing up, and press it flat into its holder.

Close it up and test Line up the halves and press until they click, then try lock and unlock from a few feet away.

Frequently Asked Questions

What battery does a Subaru Forester key fob use?

It depends on the key: the Smart Key Fob (2016–2022) uses a CR2032; the Remote Head Key (2015–2018) uses a CR1620; the Remote Key Fob (2015–2018) uses a CR1620; the Smart Key Fob (2023–2025) uses a CR2032. All are 3-volt lithium coin batteries, available at most grocery stores, pharmacies, and online retailers.

How do I know if my Subaru Forester key fob battery is dying?

Signs your Subaru Forester key fob battery is dying include: reduced range (having to get closer to unlock), intermittent button response, delayed unlocking, the low battery warning on your dashboard, or buttons requiring multiple presses to work.

How long does a Subaru Forester key fob battery last?

A Subaru Forester key fob battery typically lasts 2-4 years depending on usage. Frequent use, extreme temperatures, and proximity to electronic devices can shorten battery life.

Can I replace my Subaru Forester key fob battery myself?

Yes, replacing a Subaru Forester key fob battery is a simple DIY task that takes under 5 minutes. You only need a new CR2032 or CR1620 battery and optionally a small flathead screwdriver. No dealer visit or programming is required.

Do I need to reprogram my key fob after replacing the battery?

No, you do not need to reprogram your Subaru Forester key fob after replacing the battery. The fob retains its programming during battery changes. Simply insert the new battery and test the buttons.

Where can I buy a CR2032 or CR1620 battery?

CR2032 or CR1620 batteries are available at Walmart, Target, CVS, Walgreens, Amazon, auto parts stores like AutoZone and O'Reilly, and most grocery stores. They typically cost $6-12 for a 2-pack.

Subaru Forester Key Fob Battery Replacement

Smart Key Fob (2016–2022)

Remote Head Key (2015–2018)

Remote Key Fob (2015–2018)

Smart Key Fob (2023–2025)

Frequently Asked Questions

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