Mercury Sable 1999 - Manual (Page 127)

When one of the front wheels is off the
ground, the transaxle alone will not prevent
the vehicle from moving or slipping off the jack,
even if the vehicle is in P (Park).
To prevent the vehicle from moving when
you change a tire, be sure the parking brake
is set, then block (in both directions) the wheel
that is diagonally opposite (other side and end of
the vehicle) to the tire being changed.
If the vehicle slips off the jack, you or
someone else could be seriously injured.
2. Place gearshift lever
in P (Park), turn
engine OFF, block the
diagonally opposite
wheel, then remove the
spare tire, jack and lug wrench.
• In the sedan, these
are located in the
trunk cargo area
storage
compartment.
• In the wagon, they
are stored in the left
side rear trim panel
for the temporary
spare and in the
floor cargo area
storage compartment
for the full size
spare.
Roadside emergencies
127