Lifting and Jacking the Vehicle: Jacking
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
When you are lifting a vehicle with a vehicle jack or a floor jack, block the wheels at the opposite end from which you are lifting. Use jack stands to provide additional support.
Under the Frame Rails
NOTE:
The floor jack pad must not contact rocker panel or the floor pan.
Position the floor jack pad under the frame rail pad.
Under the Rear Differential
Position the floor jack pad under the center of the rear axle differential.
Do not damage the establisher bar.
Under the Rear Spring Hanger
Position the jack under the rear spring hanger.