1. Turn the ignition to the "ON" position without starting the engine.
2. Press and hold the "ODO/TRIP" button on the instrument cluster until the display reads "TRIP A."
3. Once the display reads "TRIP A," press and hold the "ODO/TRIP" button again for a few seconds until the display reads "ODO."
4. Turn the ignition off and then back on again.
5. The oil change light should now be reset.
If the above steps do not work, you may need to have your Lexus RX 330 serviced at a dealership or qualified repair shop.
