TSB: Some 2014 ? 2020 model year IS350, 2016 ? 2017 model year IS200t, and 2018 ? 2020 model year IS300 may exhibit a squeal/squeak noise from the front brake pads. This is only applicable on 2WD F Sport vehicles. This condition may be present at city, highway, and/or parking lot speeds. For customers who find this characteristic objectionable, an updated front brake pad kit and shim kit are available.