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 ...

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BSD/RCTA approach indicator light/warning buzzer
While the BSD/RCTA is active, the following item(s) will operate to alert the driver:  The BSD/RCTA approach indicator light (when there are vehicles in the neighboring lanes).  The BSD/RCTA approach indicator light and warning buzzer (when a vehicle is approaching from the ...