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1993 CADILLAC DeVille Maintenance Light Reset Instructions

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1. Turn the ignition to run (one position before starting engine).
2. Reset the Engine Oil Life Index by pressing the RANGE and RESET keys on the Fuel Data Centre for 5 to 60 seconds.
3. Release the keys. The indicator will automatically reset to 100. The CHANGE OIL SOON light will flash 4 times to indicate it has been reset to 100.
4. Turn the ignition off and then start the engine to verify the indicator has been reset.

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