Section 26 (Vehicle Dynamics Control (VDC) Diagnostics): General Description: Inspection: Battery
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.
Measure the battery voltage and check electrolyte.
Standard voltage: 12 V or more
Specific gravity: 1.260 or more