Ignition Key Lock: Replacement

Remove the ground cable from battery.
Remove the steering column. < Ref. to REMOVAL , Tilt Steering Column. >
Secure the steering column in a vise. Remove the bolt with a drill.

Fig 1: Securing The Steering Column In A Vise And Removing The Bolt With Drill
Courtesy of SUBARU OF AMERICA, INC.
Remove the ignition starter and steering lock.
Use a new fixer bolt. Tighten the fixer bolt to the bolt head wrenched off.

Fig 2: Tightening The Fixer Bolt To The Bolt Head Wrenched Off
Courtesy of SUBARU OF AMERICA, INC.