WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Placing Jack Under Front Frame
Courtesy of GENERAL MOTORS CORP.
When lifting the front of the vehicle with a floor jack, place the floor jack lift pad at the center of the front frame.