How To Reset Toyota Sienna Maintenance Required Light

1. Turn the ignition switch to the “On” position, but do not start the engine. ...
2. Hit the odometer button until you see “ODO”
3. Next, turn the ignition “off”
4. Press and hold the Trip Odometer Reset button, and turn the ignition switch to the “On” position.

[@Painfulwhale360]

Worked like a charm on my 2015 Sienna LE without NAV or push button start. Thanks man!

[@MrEVERYTHINGIOWN]

Thanks Arty!!