Resetting the oil maintenance light in Your 2018 Toyota Sienna is a very simple process that takes only a few minutes to do. To begin, park and turn off the vehicle. Turn the key in the ignition to ON, but don't start the engine. If You happen to have a push button start, press the button twice, but don't put Your foot on the brake pedal. Use the navigation button in the right cluster of steering wheel controls to find the SETTINGS menu. From there, select MAINTENANCE RESET by pushing the OK button. You should see a confirmation message appear shortly after. When this happens, select YES and press OK. Turn the ignition completely off and then start the vehicle like You normally would. If the light is gone, the oil life has been reset to 100%.
Trevor I.
April 13, 2020
Insert key into ignition and turn until the lights activate but not the engine. Dash mileage on display should be on "trip", hold down trip reset button. Turn vehicle off then on. Reset will begin.
Charles
April 7, 2021
Set trip A to zero. Turn key off, then press and hold trip button while turn key back on until light goes out.
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