1993 Buick Park Avenue

1. Turn the ignition to run (one position before starting engine).
2. Use a paperclip to push and hold the RESET button for 5 seconds. The CHANGE OIL SOON indicator flashes to indicate the system is reset.
3. Turn the ignition off and start the engine to verify the indicator has been reset.
*The RESET button is under the passenger side glove compartment.