Scion iM Key Fob Battery Replacement

2016-2018 Models

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

Remote Key Fob – FCC ID HYQ12BFB (2016–2018)

2016-2018 Scion iM Remote Key Fob – FCC ID HYQ12BFB (2016–2018)
Battery Type
CR2032
Buy CR2032 on Amazon
✓ OEM Compatible
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Scion iM Remote Key Fob – FCC ID HYQ12BFB (2016–2018) Battery Replacement Video
FCC ID: HYQ12BFB
Replacement Steps for Remote Key Fob – FCC ID HYQ12BFB (2016–2018)
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 Key Fob – FCC ID HYQ12BFA (2016)

2016-2018 Scion iM Remote Key Fob – FCC ID HYQ12BFA (2016)
Battery Type
CR1620 or CR2032
Buy CR1620 or CR2032 on Amazon
✓ OEM Compatible
✓ Free Prime Shipping
Scion iM Remote Key Fob – FCC ID HYQ12BFA (2016) Battery Replacement Video
FCC ID: HYQ12BFA
Replacement Steps for Remote Key Fob – FCC ID HYQ12BFA (2016)

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 or CR2032 faces, then lift it out with a fingernail or a small screwdriver tip.
Fit the new battery Put the new CR1620 or CR2032 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.

Frequently Asked Questions

What battery does a Scion iM key fob use?

It depends on the key: the Remote Key Fob – FCC ID HYQ12BFB (2016–2018) uses a CR2032; the Remote Key Fob – FCC ID HYQ12BFA (2016) uses a CR1620 or CR2032. All are 3-volt lithium coin batteries, available at most grocery stores, pharmacies, and online retailers.

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

Signs your Scion iM 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 iM key fob battery last?

A Scion iM 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 iM key fob battery myself?

Yes, replacing a Scion iM key fob battery is a simple DIY task that takes under 5 minutes. You only need a new CR2032 or CR1620 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 Scion iM 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 or CR2032 battery?

CR2032 or CR1620 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.