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How to Replace the Key Fob Battery for the 2019 Cadillac CTS

Model: Cadillac Cts MK 3 - Years 2014-2019
Part: Key

When the remote for your 2019 Cadillac CTS stops working due to a dead battery, follow this procedure to replace it quickly and correctly. First, remove the emergency key by pressing the designated button. Then, use a flathead screwdriver to pry off the remote cover. Next, locate the battery and replace it with a new one (CR 2032). Finally, reattach the cover and insert the physical emergency key back into the remote.

Updated on 22 August 2026 by ScegliAuto

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