If you are doing the oil change for RX350 by yourself, then here is the instruction on how to reset the maintainance light:
1. With your car OFF, place your key in the ignition and turn to "On". Do not start the car.
2. Find the Odometer button then press and hold until it reads the total odometer setting, (not the Trip A or Trip B setting).
3. Turn the key to OFF.
4. Place your finger back on the odometer button, press and hold. Then while still holding the button, turn the key back to "ON" (not START).
5. Hold the odometer button in until the MAINT REQD light goes out... should take about 8-10 seconds.
press the odo button and hold it. then turn the ignition to on - dont start the car. keep holding the odo botton for a few sec and it will clear.
RX350: With the car ignition off, press and hold the ODO Reset button and turn the ignition to the On position. Continue holding the ODO button depressed until the Maintenance Required light extinguishes, about 15 seconds.
How to Reset the Tire Pressure Warning System on a 2007 Lexus RX350 Read more: How to Reset the Tire Pressure Warning System on a 2007 Lexus RX350 | eHow.com http://www.ehow.com/how_8490990_reset-system-2007-lexus-rx350.html#ixzz1pcCVn8cC
While your ignition is own reset your mileage to the total mileage. Turn the ignition off and then back on while holding in the odometer button until the maintenance light flashes several times and resets.
1 Select "Route" 2 Select "Pause Guidance" that will turn it off. If you want to turn it back on... 1 Select "Route". 2 Select "Resume Guidance".
open the switch with reset button pressed until disapear for 5 secs dont start the engine
probably have to have a Lexus dealer turn it off
From Lexus Web site: This procedure should be used to reset the light when the maintenance has been performed:1. Turn ignition switch to the ON position.2. Set the Odometer / Trip Display to the ODO mode3. Turn the ignition switch to the OFF position.4. Depress and HOLD the Trip Meter RESET button while turning the ignition switch to the ON position.5. The Service Maintenance Reminder Light will: a. Illuminate solidly for 3 seconds. b. Blink for 2 seconds. c. Illuminate solidly for 1 second. d. Turn off.6. Release the Trip Meter RESET button.7. Turn the ignition to the OFF position.8. Turn the ignition to the ON position, and confirm that the Service Maintenance Reminder Light goes out.NOTE: If the light continues blinking in step 5a, turn the ignition off, and repeat the procedure from step 1.ignition off, and repeat the procedure from step 1. Depending on the model, this may not work. Your maintenance light is a reminder for every 5000 mile to at minimum have your oil and filter changed.
Make sure the odometer is set to total miles not trip.With the key in the off position, push in and hold the odometer reset button (ODO).Turn the key to the on position without starting the car.Continue to hold down the odometer reset button until the maintenance required light goes off (about 20 seconds). You'll see the bars running across the screen and the light will turn off.
HOW TO TURN OFF THE MAINTENANCE LIGHT ON 2002 HONDA ACCOURD
The maintenance required light only goes on after 7,500 miles since last 'maintenance'. The maintence required light will not turn off by replacing or changing anything, the only way to turn it off is by putting your key in the key slot next to the light.
I would unplug the battery. This will reset your clock, etc., but it should turn the light off.