Child Safety Lock System

Set the child safety lock on both rear doors to the lock position.
Close the rear doors completely.
Check that the lock levers of the rear doors are in the unlock position. Then, pull inner remote of rear doors to ensure that the doors will not open.

Fig 1: Checking Lock Levers Of Rear Doors In Unlock Position
Courtesy of SUBARU OF AMERICA, INC.
Pull the outer handles of rear doors to ensure that the doors will open.