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How to Replace the Key Battery for a Cadillac ATS

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

To replace the button battery inside your Cadillac ATS key (2013-2019), it only takes a few seconds. Here's how to do it. First, pull up the top part of the cover to fully remove the physical emergency key contained within. Next, use the same emergency key to open the cover and finally access the dead battery. Finally, remove the old battery and insert a new compatible one. Reattach the cover and insert the physical key back inside.

Updated on 10 June 2026 by ScegliAuto

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