Steering Lock

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

Disconnect the ground cable from battery.
Remove the cover assembly - column.
1. Remove the screws by turning the steering wheel to right and left.
  
  Fig 1: Turning Steering Wheel To Right And Left
  Courtesy of SUBARU OF AMERICA, INC.
2. Release the claw, and remove the cover assembly - column UPR and the cover assembly - column LWR.
  
  Fig 2: Removing Cover Assembly - Column UPR And Cover Assembly - Column LWR
  Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector and remove the immobilizer antenna assembly.
CAUTION: Do not apply excessive force to remove the immobilizer antenna and lock. Otherwise they may be broken because those parts are the products made of a plastic.

Fig 3: Removing Immobilizer Antenna And Lock
Courtesy of SUBARU OF AMERICA, INC.
Remove the key lock solenoid.
1. Disconnect the connector.
2. Remove the screws and remove the key lock solenoid.
  
  Fig 4: Removing Key Lock Solenoid
  Courtesy of SUBARU OF AMERICA, INC.
Replace the key cylinder.
1. Insert the key into the key cylinder, and turn the key to the ACC position.
2. Insert a flat tip screwdriver from the steering lock frame hole (A), and pull the key cylinder until the key cylinder claws touch the steering lock frame stopper (B).
  
  Fig 5: Removing Steering Lock Frame Stopper
  Courtesy of SUBARU OF AMERICA, INC.
3. Insert a flat tip screwdriver from the steering lock frame hole (A), and release the claws to pull out the key cylinder.
  
  Fig 6: Pulling Out Key Cylinder
  Courtesy of SUBARU OF AMERICA, INC.
Install each part in the reverse order of removal.