TSB: REVISION NOTICE December 14, 2018 Rev1: ? Applicability has been updated to exclude 2016 model year RX450h vehicles.
? The Production Change Information section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2010 ? 2015 model year RX450h vehicles may exhibit a squawk and/or a knocking noise coming from the engine compartment when releasing the brake pedal. Follow the Repair Procedure in this bulletin to address this condition.