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Cadillac CT6 Key Fob Battery Replacement

2016-2020 Models

Most Common

Smart Key Fob

2016-2020 Cadillac CT6 Smart Key Fob
Battery Type
CR2032
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Cadillac CT6 Smart Key Fob Battery Replacement Video
Replacement Steps for Smart Key Fob
Remove the Mechanical Key Press the release button or latch on the side of the fob and slide out the internal mechanical key.
Open the Fob Insert your flathead screwdriver or plastic tool into the notch at the bottom (where the key came out) and gently twist or pry to separate the two halves of the fob casing. Be careful not to damage the internal electronics.
Swap the Battery Remove the old battery. Insert the new CR2032 battery with the positive (+) side facing down (the side with the number "2032" and the plus sign should face the back cover).
Reassemble Snap the two halves of the key fob firmly back together until they click.
Reinsert Key Slide the mechanical key back into the fob until it locks in place.
Test Press the lock and unlock buttons to ensure the fob is working correctly.

Frequently Asked Questions

What battery does a Cadillac CT6 key fob use?

The 2016-2020 Cadillac CT6 key fob uses a CR2032 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 CT6 key fob battery is dying?

Signs your Cadillac CT6 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 CT6 key fob battery last?

A Cadillac CT6 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 CT6 key fob battery myself?

Yes, replacing a Cadillac CT6 key fob battery is a simple DIY task that takes under 5 minutes. You only need a new 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 Cadillac CT6 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 battery?

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.

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