TSB: REVISION NOTICE November 28, 2018 Rev1: ? The Warranty Information section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2016 ? 2019 model year RX350 and RX450h vehicles may exhibit a condition where there is a noticeable seat heater temperature difference between the driver and/or passenger seats. Follow the Repair Procedure in this bulletin to address this condition.
