Lexus SC 430 2006 Owner's Manual page 285

5-2. Steps to take in an emergency
Replacing a flat tire
Wheel chocks
272
Chock the tires.
Front tire
Rear tire
Slightly loosen the nuts (one turn).
Wheel nut
wrench
Wheel chock
Flat tire
positions
Left- Behind the rear
hand right-hand side
side tire
Right-
Behind the rear
hand
left-hand side tire
side
Left- In front of the
hand front right-hand
side side tire
Right- In front of the
hand front left-hand
side side tire