WARNING: This page is about a different car, the 2012 Subaru Outback and 2012 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
Lift up the vehicle.
NOTE:
A plate type lift cannot be used.
Remove the bolts and clips, and remove the front under protector.
Fig 1: Locating Front Under Protector Bolts And Clips