Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Toyota for this TSB. Call your local Toyota dealer's service department & ask for a copy of TSB# T-SB-0064-16.
TSB: SOME 2016 LAND CRUISER VEHICLES MAY EXHIBIT A NAVIGATION SYSTEM REBOOTING CONDITION. (THIS CONDITION MAY BE DUE TO AN ERRANT DATA BROADCAST BY TOYOTA'S TRAFFIC AND WEATHER DATA SERVICE PROVIDER.) PLEASE FOLLOW THE PROCESS IN THIS BULLETIN TO RESET THE NAVIGATION SYSTEM.