TSB: Some 2021 model year Sienna Hybrid LE vehicles may exhibit a condition of inoperative remote
functions from the app or key fob, such as remote engine start or door lock/unlock functions.
Registering either, or both, the ?Remote Engine Starter Registration Status? and ?Remote Door
Lock Function? may be necessary using Techstream to address this condition. Follow the Repair
Procedure in this bulletin to address this condition.
