Key Luggage Compartment Lock-in Prevention Function does not Operate [08/2013 - ]: Description
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
If the entry luggage compartment lock-in prevention function does not operate, there may be a problem with the communication between the NO. 1 indoor electrical key antenna assembly (inside luggage compartment) and electrical key transmitter sub-assembly, wave interference or a malfunction in the certification ECU (smart key ECU assembly).