Jeep Wrangler Owner's Manual page 212

3. Assemble the jack and jacking tools. Connect the jack
handle driver to the extension, then to the lug wrench.
Assembled Jack And Tools
NOTE:
If your vehicle comes with factory equipped 35 inch
(88.9 centimeter) tires, a jack lift block is provided in the
rear cargo area. The jack lift block is used to provide
higher ground clearance when changing a flat or spare
tire. When placing the jack lift block under the jack, be
sure the bottom of the jack fits securely inside of the
raised edges of the block.
Jack Lift Box Usage
4. Operate the jack from the front or the rear of the
vehicle. Place the jack under the axle tube, as shown.
Do not raise the vehicle until you are sure the jack is
fully engaged.
IN CASE OF EMERGENCY
Front Lifting Point
NOTE:
Keep the jack and tools aligned while raising the vehicle to
prevent tool damage.
CAUTION!
Do not attempt to raise the vehicle by jacking on
locations other than those indicated.
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