Lever Stroke

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Adjust the shoe clearance before adjusting lever stroke. < Refer to SHOE CLEARANCE , ADJUSTMENT, Parking Brake Assembly (Rear Disc Brake). >
Remove the parking lever cover.
Pull the parking brake lever hard 3 to 5 times.
Turn the adjusting nut until the lever stroke is at the specified value.
Lever stroke:

7 to 8 notches when pulled with a force of 200 N (20.4 kgf, 45 lbf)

Fig 1: Identifying Adjusting Nut (Self-Locking Nut)
Courtesy of SUBARU OF AMERICA, INC.
Check there is no brake drag.
Install the parking lever cover.