Lincoln Corsair Key Fob Battery Replacement

2020-2023 Models

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

Most Common

Smart Key Fob (2020–2022)

Battery Type

CR2450

Buy CR2450 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Lincoln Corsair Smart Key Fob (2020–2022) Battery Replacement Video

FCC ID: M3N-A2C931426, M3N-A2C93142600

Replacement Steps for Smart Key Fob (2020–2022)

Tools needed: Small flathead screwdriver

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 CR2450 faces, then lift it out with a fingernail or a small screwdriver tip.

Fit the new battery Put the new CR2450 in with the positive (+) side facing the same way as the old one, 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)

Battery Type

CR2032

Buy CR2032 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Replacement Steps for Smart Key Fob (2023)

Locate the release button on the back of your key fob. Press it to slide out the emergency metal key blade.

Use the key blade as a pry tool. Insert it into the seam along the edge of the fob and gently twist to separate the two halves of the case.

Remove the old battery. Note the orientation — the positive (+) side typically faces up. A small flathead screwdriver can help pop it out.

Insert the new battery with the positive (+) side facing the same direction as the old one. Press firmly until it clicks into place.

Snap the case back together. Align both halves and press around the edges until you hear it click shut. Slide the emergency key back in.

Test all buttons — lock, unlock, trunk, and panic — to confirm the new battery is working properly.

Frequently Asked Questions

What battery does a Lincoln Corsair key fob use?

It depends on the key: the Smart Key Fob (2020–2022) uses a CR2450; the Smart Key Fob (2023) 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 Lincoln Corsair key fob battery is dying?

Signs your Lincoln Corsair 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 Lincoln Corsair key fob battery last?

A Lincoln Corsair 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 Lincoln Corsair key fob battery myself?

Yes, replacing a Lincoln Corsair key fob battery is a simple DIY task that takes under 5 minutes. You only need a new CR2450 or CR2032 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 Lincoln Corsair 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 CR2450 or CR2032 battery?

CR2450 or CR2032 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.

Lincoln Corsair Key Fob Battery Replacement

Smart Key Fob (2020–2022)

Smart Key Fob (2023)

Frequently Asked Questions

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