Lexus SC 430 2004 Manual page 272

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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.
IN CASE OF AN EMERGENCY
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6. Remove the wheel nuts and remove the flat tire.
Lift the flat tire straight off and put it aside.
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