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DeVille, Eldorado 1999
To reset the service Oil Life Indicator, display the
"OIL LIFE LEFT" message by pressing the "INFORMATION SKIP" (skip info) button. Press and hold the "RESET NO" (no info reset) button until "100% OIL LIFE" is displayed.

Deville, Seville, Eldorado 1997-98,
Display "ENGINE OIL LIFE" by pressing the "INFO" button. Press and hold the "INFO RESET" button until the message shows 100.

All Models ex. Fleet-wood 1994-97
Press the "INFORMATION" button until "OIL LIFE LEFT" is displayed. Press the "RESET" button until "100" or "0.0 OIL LIFE LEFT" is displayed.

Fleet-wood 1994-96
To reset "CHANGE OIL" light, turn the ignition switch to the run position without starting the engine. Fully depress and release the accelerator pedal 3 times within 5 seconds.

All Models, Seville, Eldorado 1993, 1994-95, 1994-95
The automatic transaxle message can be reset through the following procedure. If "CHANGE TRANSAXLE FLUID" appears on the Information Center, press and hold the "OFF" and "REAR DEFROST" buttons until "TRANS FLUID RESET" appears.

DeVille, Fleetwood 1991-93
When "CHANGE OIL SOON" light is illuminated, press and hold the "RESET" and "RANGE" buttons on the Fuel Data Center for 5 to 60 seconds. When the buttons are released, the light will flash four times if it has been reset. If the light comes back on for more than 5 seconds, repeat the procedure.

Allante 1989-93
When "CHANGE OIL SOON" appears on the Driver Information Center, press the "RANGE" button until "OIL LIFE INDEX" shows on display. Then press and hold "AVG SPEED" and "RESET" (or "RANGE" on late models) buttons until display shows "100".

Seville, Eldorado 1992-93
Press "INFORMATION" button on the Driver Information Center until "OIL LIFE INDEX" is displayed. Press "STORE/RECALL" until "OIL LIFE INDEX" resets to 100.

Seville, Eldorado 1989-91
When "CHANGE OIL SOON" or "CHANGE ENGINE OIL SOON" appears on the Driver Information Center, press "ENG- DATA" button until the "OIL LIFE INDEX" appears. Then press the "ENG-DATA" button and the "RANGE" buttons at the same time until 100 displays (about 5 seconds).