WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Snap Ring, Planetary Ring Gear & Screwdriver
Courtesy of GENERAL MOTORS CORP.
Using a screwdriver, remove the snap ring.
Fig 2: Planetary Ring Gear & Flange
Courtesy of GENERAL MOTORS CORP.
Remove the planetary ring gear flange from the planetary ring gear.