To reset the 2017 Cadillac CT6 remaining oil life % after an oil change service, please follow these instructions:
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Turn the ignition to run (one position before starting engine).
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*Use the DIC controls on the right side of the steering wheel to display the REMAINING OIL LIFE.
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Press SEL on the DIC controls.
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Hold SEL down for a few seconds to reset the oil life to 100%.
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Turn the ignition off and start the engine to verify the indicator has been reset.
*Remaining oil life can also be reset by depressing the gas pedal 3 times within 5 seconds instead of using the DIC.
