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-0043-16.
TSB: HYBRID VEHICLES ARE EQUIPPED WITH 2 TYPES OF BATTERIES: HYBRID VEHICLE (HV) BATTERY; 12-VOLT AUXILIARY BATTERY. IF THE HYBRID VEHICLE IS PUT INTO STORAGE, THE STATE OF CHARGE (SOC) OF ITS HV BATTERY AND AUXILIARY BATTERY WILL GRADUALLY DECREASE. TO PREVENT THE AUXILIARY BATTERY FROM BECOMING DISCHARGED DURING STORAGE, PROPER MAINTENANCE IS NECESSARY. PLEASE PERFORM THE FOLLOWING MAINTENANCE SERVICE FOR THE HV BATTERY AND 12-VOLT AUXILIARY BATTERY.
