Chrysler 2009 Aspen - Owner Manual - Manual (Page 376)

3. When changing a front wheel, place the jack under the
frame rail behind the wheel. Locate the jack as far
forward as possible on the straight part of the frame
(prior to inboard transition). Operate the jack using the
jack drive tube and the wheel wrench; the tube extension
may be used but is not required. When changing a rear wheel, assemble the jack drive
tube to the jack and connect the drive tube to the
extension tube. Place the jack under the axle as close to
the tire as possible with the drive tubes extending to the
rear. Connect the jack tube extension and wheel wrench.
Front Jacking Location
Left Rear Jacking Location
374 WHAT TO DO IN EMERGENCIES