PITSTOP - INTEGRATED BRAKE ACTUATOR UNIT (IBAU) HONK NOISE - This Pitstop provides information regarding the 2017-2018MY Niro (DE P/HEV) and Optima Plug-in/Hybrid (P/HEV) vehicles, which may exhibit an intermittent ?squeaking? and/or ?honking? noise when applying the brakes rapidly. The ?Integrated Brake Actuator Unit? (IBAU) should NOT be replaced for this concern. An IBAU brake bleed should be performed.
