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How to Replace the Key Fob Battery on a Cadillac ATS

Model: Cadillac ATS MK 1 - Years 2013-2019
Part: Key

In this tutorial, you will learn the steps to replace the battery in the key fob of a Cadillac ATS. Before you begin, make sure you have the necessary materials: a flathead screwdriver and a CR 2032 3V flat battery. Take the key fob and press the button located at the top end of the casing to extract the key inside. At this point, insert the tip of the screwdriver into the empty cavity and pry it open to access the battery. Remove the old battery and replace it with the new one. Finally, close the casing and reinsert the key.

Updated on 16 June 2026 by ScegliAuto

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