Subaru Legacy BN/BS (2015-2019) Owners Manual: Power rear gate - if power rear gate does not operate properly

Rear gate (Outback) - if the rear gate cannot be opened

In the event that you cannot open the rear gate by pressing the rear gate opener button (all models) or using the power rear gate (if equipped), you can open it from inside the cargo area. ...

When the power rear gate is deactivated

CAUTION When operating the power rear gate manually, do not use excessive force. Doing so may cause a malfunction. NOTE While the power rear gate is temporarily deactivated, if ...

Other materials:

Unfastening the seatbelt
Push the release button of the center seatbelt buckle (on the left-hand side) to unfasten the seatbelt. Insert a tongue plate or other hard pointed object into the slot in the connector (buckle) on the right-hand side and push it in. The connector (tongue) plate will ...