Hyundai Matrix 2003 Owner's Manual page 117

The wheel nuts should be loosened slightly be-
fore raising the car. To loosen the nuts, turn the
wheel nut wrench handle counterclockwise.
When doing this, be sure that the socket is
seated completely over the nut so it cannot slip
off. For maximum leverage, position the wrench
so the handle is to the right as shown in the
drawing. Then, while holding the wrench near the
end of the handle, pull up on it with steady
pressure. Do not remove the nuts at this time.
Just loosen them about one-half turn.
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4. Put the Jack in Place
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The base of the jack should be placed on firm,
level ground. The jack should be positioned as
shown in the drawing.
3-6
WHAT TO DO IN AN EMERGENCY
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5. Raising the Car
Wrench bar
Wheel nut wrench
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After inserting a wrench bar into the wheel nut
wrench, install the wrench bar into the jack as
shown in the drawing. To raise the vehicle, turn
the wheel nut wrench clockwise. As the jack
begins to raise the vehicle, double check that it is
properly positioned and will not slip. If the jack is
on soft ground or sand, place a board, brick, flat
stone or other object under the base of the jack
to keep it from sinking.
Raise the car high enough so that the fully
inflated spare tire can be installed. To do this, you
will need more ground clearance than is required
to remove the flat tire.
WARNING:
Do not get under the car when it is supported
by the jack! This is very dangerous as the
vehicle could fall and cause serious injury or
death. No one should stay in the car while the
jack is being used.
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6. Changing Wheels
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Loosen the wheel nuts and remove them with
your fingers. Slide the wheel off the studs and lay
it flat so it cannot roll away. To put the wheel on
the hub, pick up the spare tire, line up the holes
with the studs and slide the wheel onto them. If
this is difficult, tip the wheel slightly and get the
top hole in the wheel lined up with the top stud.
Then jiggle the wheel back and forth until the
wheel can be slid over the other studs.