1. Turn the ignition switch to the "ON" position, but do not start the engine.
2. Press and hold the "Trip" button on the instrument panel until the maintenance reminder indicator starts to flash.
3. While holding the "Trip" button, turn the ignition switch to the "OFF" position.
4. Continue to hold the "Trip" button for at least 5 seconds.
5. Release the "Trip" button.
6. The maintenance reminder indicator should now be reset.
If the maintenance reminder indicator does not reset, you may need to take your vehicle to a Lexus dealer or qualified repair shop to have it reset.