Section 144 (Starting System & Charging System (H4DO)): Battery: Inspection: Appearance

WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Check the battery case, top cover and terminal posts for dirt or cracks, and perform the following work as necessary.

Clean the battery with water and wipe with a dry cloth.
Apply a thin coat of grease on the terminal posts to prevent corrosion.

Check

Normal → Go to ELECTROLYTE LEVEL below.
Abnormal → Replace the battery.