Lexus SC 430 2002 Manual page 264

IN CASE OF AN EMERGENCY
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4. Position the jack at the jack points as shown.
Make sure the jack is positioned on a level and solid surface.
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5. After making sure no one is in the vehicle, raise it high
enough so that the spare tire can be installed.
Allow for the fact that you need more ground clearance when
putting on the spare tire than when removing the flat tire.
To raise the vehicle, insert the jack handle into the jack (it is a
loose fit) and turn it clockwise. As the jack touches the vehicle
and begins to lift, double−check that it is properly positioned.
CAUTION
Never get under the vehicle when the vehicle is
supported by the jack alone.