Ford 2003 Excursion Owner's Manual page 194

Roadside Emergencies
2. Turn engine OFF and block the
diagonally opposite wheel (block not
provided).
3. Remove the jack, jack handle, lug
wrench and spare tire from the
stowage locations.
4. Use the tip of the lug wrench to remove any wheel trim.
5. Loosen each wheel lug nut
one-half turn counterclockwise but
do not remove them until the wheel
is raised off the ground.
When one of the rear
wheels is off the ground,
the transmission alone will not
prevent the vehicle from moving
or slipping off the jack, even if the
transmission is in P (Park)
(automatic transmission). To
prevent the vehicle from moving
when you change the tire, be sure
that the parking brake is set and
the diagonally opposite wheel is
blocked.
6. Insert the hooked end of the jack
handle into the jack and use the
handle to slide the jack under the
vehicle.
7. Position the jack according to the
following guides:
194