LEXUS: BRAKE CONTROL/DYNAMIC CONTROL SYSTEM.
SMALL AMOUNTS OF AIR IN THE BRAKE SYSTEM MAY CAUSE A SQUAWK OR BARK TYPE NOISE FROM THE BRAKE ACTUATOR IN SOME VEHICLES. IF PRESENT, THIS CONDITION IS MOST NOTICEABLE WHEN THE VEHICLE IS NOT MOVING AND THE BRAKE PEDAL IS DEPRESSED, OR WHEN COMING TO AN ABRUPT STOP. MODELS INCLUDE LS460, LS600H; MY 2007-09. *PE