Entry Unlock and Unlatch Functions do not Operate Using Kick Sensor [06/2018 - ]: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
If the hands free power trunk lid function does not operate, it could indicate the certification ECU (smart key ECU assembly) did not transmit a power trunk lid open request signal, or a malfunction in the power trunk lid system.