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How to Reset the Oil Service Light on the Cadillac CT5?

Model: Cadillac Ct5 MK 1 - Years 2020-2026
Part: Service warning light

In this tutorial, you will see how to reset the oil service light on the Cadillac CT5, a very simple and quick operation to perform only after completing all required maintenance tasks. First, insert the key and start the vehicle, then remove any alerts from the instrument cluster. Move to the left and scroll through the various options until you find the remaining oil life. At this point, press and hold the "SEL" button for about 10 seconds, or until the percentage returns to 100%. Restart the vehicle and verify that the operation was successful.

Updated on 11 June 2026 by ScegliAuto

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by ScegliAuto

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