IF YOU CONFIRM A buzz noise coming from: - The driver seat when the driver seat climate control heater is turned ON. and/or - The passenger seat when the passenger seat climate control heater is turned ON. ACTION Replace the climate controlled seat control unit. - Replace the control unit only for the seat that is making the buzz noise. - Refer to the Electronic Service Manual (ESM), section SE-Seat, for replacement information. See this bulletin for further information.