Cadillac CT5 Key Fob Battery Replacement

2020-2025 Models

Most Common

Smart Key Fob

Battery Type

CR2450

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Cadillac CT5 Smart Key Fob Battery Replacement Video

FCC ID: YGOG20TB1

Replacement Steps for Smart Key Fob

Tools needed: None, opens by hand

Take out the emergency key Press or slide the release on the Cadillac CT5 smart key fob and pull the metal key blade out.

Open the case by hand No tools needed: work a fingernail into the seam and ease the two halves apart.

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, slide the emergency key back in, then try lock and unlock from a few feet away.

Frequently Asked Questions

What battery does a Cadillac CT5 key fob use?

The 2020-2025 Cadillac CT5 key fob uses a CR2450 3-volt lithium coin battery. This is a standard battery available at most grocery stores, pharmacies, and online retailers.

How do I know if my Cadillac CT5 key fob battery is dying?

Signs your Cadillac CT5 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 Cadillac CT5 key fob battery last?

A Cadillac CT5 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 Cadillac CT5 key fob battery myself?

Yes, replacing a Cadillac CT5 key fob battery is a simple DIY task that takes under 5 minutes. You only need a new CR2450 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 Cadillac CT5 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 battery?

CR2450 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.

Cadillac CT5 Key Fob Battery Replacement

Smart Key Fob

Frequently Asked Questions

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