Scion tC Key Fob Battery Replacement

2011-2016 Models

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

Most Common

Smart Key Fob (2011–2016)

Battery Type

CR1632

Buy CR1632 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Scion tC Smart Key Fob (2011–2016) Battery Replacement Video

FCC ID: HYQ14ACX

Replacement Steps for Smart Key Fob (2011–2016)

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.

Alternative

Remote Head Key (2011–2013)

Battery Type

CR2016

Buy CR2016 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Scion tC Remote Head Key (2011–2013) Battery Replacement Video

FCC ID: MOZB41TG

Replacement Steps for Remote Head Key (2011–2013)

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 CR2016 faces, then lift it out with a fingernail or a small screwdriver tip.

Fit the new battery Put the new CR2016 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.

Alternative

Remote Key Fob (2011–2013)

Battery Type

CR2016

Buy CR2016 on Amazon

✓ OEM Compatible

✓ Free Prime Shipping

Scion tC Remote Key Fob (2011–2013) Battery Replacement Video

FCC ID: MOZB41TG

Replacement Steps for Remote Key Fob (2011–2013)

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 CR2016 faces, then lift it out with a fingernail or a small screwdriver tip.

Fit the new battery Put the new CR2016 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 Scion tC key fob use?

It depends on the key: the Smart Key Fob (2011–2016) uses a CR1632; the Remote Head Key (2011–2013) uses a CR2016; the Remote Key Fob (2011–2013) uses a CR2016. All are 3-volt lithium coin batteries, available at most grocery stores, pharmacies, and online retailers.

How do I know if my Scion tC key fob battery is dying?

Signs your Scion tC 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 Scion tC key fob battery last?

A Scion tC 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 Scion tC key fob battery myself?

Yes, replacing a Scion tC key fob battery is a simple DIY task that takes under 5 minutes. You only need a new CR1632 or CR2016 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 Scion tC 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 CR1632 or CR2016 battery?

CR1632 or CR2016 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.

Scion tC Key Fob Battery Replacement

Smart Key Fob (2011–2016)

Remote Head Key (2011–2013)

Remote Key Fob (2011–2013)

Frequently Asked Questions

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