Lexus GS300 1998 Owner's Manual page 336

IN CASE OF AN EMERGENCY
40G006
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.
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