WARNING: This page is about a different car, the 2006 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.
Remove the crank pulley cover.
Fig 1: Identifying Crank Pulley Cover
Remove the crank pulley bolt. To lock the crankshaft, use ST.
ST 499977100 CRANK PULLEY WRENCH
Fig 2: Removing Crank Pulley Bolt Using Crank Pulley Wrench ST 499977100