Lexus RX300 Manual page 225

IN CASE OF AN EMERGENCY
40R003a
" 1 Joint
2 When removing the jack, turn the joint by hand in the
"contract" direction until the jack is free.
3 When storing, turn the joint by hand in the "expand"
direction until the jack is firmly secured to prevent it from
flying forward during a collision or sudden braking.
210
40R004a
To remove the spare tire:
1 Remove the spare tire cover.
2 Loosen the bolt and remove it.
When storing the spare tire, place it with the inner side of the wheel
facing up. Then bolt the tire in place and install the spare tire cover
to prevent the tire from flying forward during a collision or sudden
braking.