Hyundai i30 Owner's Manual page 264

What to do in an emergency
OFD067009
7. Place the jack at the front or rear
jacking position closest to the tyre
you are changing. Place the jack
at the designated locations under
the frame. The jacking positions
are plates welded to the frame
with two tabs and a raised dot to
index with the jack.
WARNING
- Jack location
To reduce the possibility of
injury, be sure to use only the
jack provided with the vehicle
and in the correct jack position;
never use any other part of the
vehicle for jack support.
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8. Insert the jack handle into the jack
and turn it clockwise, raising the
vehicle until the tyre just clears the
ground. This measurement is
approximately 30 mm (1.2 in).
Before removing the wheel nuts,
make sure the vehicle is stable
and that there is no chance for
movement or slippage.
9. 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 tyre, 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 slide
over the other studs.