>> A << Installation Of Rear Seatback Side Assembly (LH)/Rear Seatback Side Assembly (RH)
WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
Press the rear seatback side assembly in the direction shown in the illustration and fit the attachment wire into the hook securely to install the rear seatback side assembly.