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How to Reset the Oil Light in a Cadillac CT5?

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

Start by turning on the ignition and use the keypad located on the right side of the steering wheel to navigate through the menu displayed on the screen and select the various options. Scroll through the screens until you find the one you need: it is labeled "oil life". Once here, press and hold the selection button for about 5 to 10 seconds until the value displayed on the screen returns to "100%". This way, you have reset the oil light in the Cadillac CT5! Note! The light should only be reset after the engine oil has been actually replaced.

Updated on 21 May 2026 by ScegliAuto

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by ScegliAuto

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