If you have a 2010 RX350 with push button start here’s the way to reset the Oil Maintenance Required light:
1. Odometer Must be in Trip A display
2. Turn the car off
3. Hold the Odometer button down. Continue to hold for all the following steps
4. Do NOT put your foot on the brake
5. Push the ignition button twice. Do not hold
6. Watch the display (continue to hold the Odometer button)
7. The Oil Maintenance light will reset after a few seconds
8. Finally, release the odometer button.