Ford 1996 Windstar Manual page 278

To avoid injury, never run the engine with one wheel off
the ground, such as when changing a tire.
To lessen the risk of personal injury, do not put any part
of your body under the vehicle while changing a tire. Do
not start the engine when your vehicle is on the jack.
The jack is only meant for changing the tire.
Never raise your vehicle by using a bumper jack. The
bumper could be damaged or the jack could slip and you
could be injured.
NOTE: Never raise your vehicle by placing the jack on the
torsion bar (within axle) or front or rear suspension
components. Serious damage to these components may
occur.
Insert the jack handle into the jack, and slide the tapered end
6.
of the jack handle through the slot in the lug nut wrench.
All of these tools are needed to jack up a vehicle.
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