WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.
Replace the belts if cracks, fraying or wear are found.
Make sure that the V-belt automatic belt tension indicator (A) is within the range of its use limit (D).
Fig 1: Locating V-Belt Automatic Belt Tension Indicator