WARNING: This page is about a different car, the 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
Apply the specified grease to the flywheel spline section, O-ring, and spline section of transaxle assembly input shaft.
Grease
Brand name: Molykote BR2-Plus
Fig 1: Identifying Flywheel Spline Grease Applying Area