TT: Some customers may experience a rattle noise from the roof area while driving at highway speeds, on vehicles equipped with Toyota Genuine Accessory Roof Rack Cross Bars. This noise may originate on the LH side of the cross bar, from cross bar sub-assembly to cross bar end support due to excessive free play. Note - Affected vehicles are equipped with: * Cross Bar Kit Part #: PT278-48170. * Silver, Black, or Chrome Side Rail Assembly (Roof Rack)