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Apr 29

1999 Buick Park Avenue
1. Turn the ignition to run (one position before starting engine).
2. Press the GAGE INFO button on the Driver Information Centre until the OIL LIFE INDEX appears.
3. Press and hold the RESET button for 5 seconds. The OIL LIFE INDEX will change to 100%.
4. Turn the ignition off and start the engine to verify the indicator has been reset.