Key Lock Unit: Removal

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

Disconnection of the battery ground terminal (Refer to WORKING PRECAUTIONS AND NOTES )
Instrument side panel RH removal (Refer to DISASSEMBLY )
Removal of glove compartment door ASSY (Refer to DISASSEMBLY )
Control unit relay ASSY removal
1. Disconnect the connector of control unit relay ASSY.
2. Remove the bolt and remove the control unit relay ASSY.
  
  Fig 1: Locating Control Unit Relay Assy Bolt And Connector
  Courtesy of SUBARU OF AMERICA, INC.