Service oil reset Cadillac DeVille

1991-1992

Turn the ignition to run (one position before starting engine).
Press RANGE and FUEL USED simultaneously to display oil life index.
Press RANGE and RESET simultaneously until the CHANGE OIL SOON light flashes (hold about 5 seconds).

The oil life index will not remain displayed.
Turn the ignition to off and start engine to verify the indicator has been reset.

1993

Turn the ignition to run (one position before starting engine).
Reset the Engine Oil Life Index by pressing the RANGE and RESET keys on the Fuel Data Centre for 5 to 60 seconds.
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.
Turn the ignition off and then start the engine to verify the indicator has been reset.

1994-1996

Turn the ignition to run (one position before starting engine).
Press the INFORMATION button several times until OIL LIFE INDEX message appears.
Press and hold the RESET button until the display resets to 100.
Turn the ignition off and then start the engine to verify the indicator has been reset.

1997-1998

Turn the ignition to run (one position before starting engine).
Press the TRIP button on the DIC switch repeatedly until OIL LIFE REMAINING displays.
Press and hold the RESET button on the DIC switch for more than 5 seconds. The oil life will change to 100%.
Turn the ignition off and then start the engine to verify the indicator has been reset.

1999

Turn the ignition to run (one position before starting engine).
Press the SKIP INFO button on the DIC control panel in order to display the OIL LIFE LEFT message.
Press and hold the RESET button until the display shows 100% ENGINGE OIL LIFE.
Turn the ignition off and then start the engine to verify the indicator has been reset.

2000

Turn the ignition to run (one position before starting engine).
Press the INFO button on the DIC to display ENGINE OIL LIFE.
Press and hold the INFO RESET button on the DIC until the display reads 100% ENGINE OIL LIFE.
Turn the ignition off and then start the engine to verify the indicator has been reset.

2000

Turn the ignition to run (one position before starting engine).
Press the INFO button on the DIC to display ENGINE OIL LIFE.
Press and hold the INFO RESET button on the DIC until the display reads 100% ENGINE OIL LIFE.
Turn the ignition off and then start the engine to verify the indicator has been reset.

2001-2004

Turn the ignition to run (one position before starting engine).
Display the Oil Life message by pressing the INFO button.
Press and hold the RESET button until the display shows 100% Engine Oil Life.
Turn the ignition off and then start the engine to verify the indicator has been reset.

2005

Turn the ignition to run (one position before starting engine).
Press the INFO button on the DIC to display ENGINE OIL LIFE.
Press and hold the INFO RESET button on the DIC until the display reads 100% ENGINE OIL LIFE.
Turn the ignition off and then start the engine to verify the indicator has been reset.