Toyota Lexusc Owner's Handbook Manual page 580

"
Joint
1
2 When removing the jack, turn the joint by hand
in the "contract" direction until the jack is free.
When storing, turn the joint by hand in the
3
"expand" direction until the jack is firmly
secured to prevent it from flying forward during
a collision or sudden braking.
IN CASE OF AN EMERGENCY
To remove the spare tire:
1 Remove the inside spare tire cover by turning it
counterclockwise.
If it is difficult to remove the inside spare tire cover,
remove the cover after pulling out the spare tire and
stand it up against the bumper.
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