Sensor Frozen Indication (Dirty or Frozen) [06/2018 - 09/2022]: Description
WARNING: This page is about a different car, the 2022 Lexus ES 300h, 2021 Lexus ES 300h, 2020 Lexus ES 300h, and 2019 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
When the ultrasonic sensor is dirty or frozen, "Parking Assist Unavailable Clean Parking Assist Sensor" is displayed on the multi-information display in the combination meter assembly.