Lexus IS250 2006 Owner's Manual page 403

Type C
Tire size
Front and rear tire inflation pres-
sure
(Recommended cold tire inflation
pressure)
Spare tire inflation pressure
(Recommended cold tire inflation
pressure)
Wheel size
Wheel nut torque
225/45R17 91V, 225/45R17 91V, T125/
70D17 98M
Driving under normal conditions
Front tires:
35 psi (240 kPa, 2.4 kgf/cm
Rear tires:
38 psi (260 kPa, 2.6 kgf/cm
Driving at high speeds above 100 mph (160
km/h) (in countries where such speeds are per-
mitted by law)
Add 7.2 psi (50 kPa, 0.5 kgf/cm
the front tires and rear tires. Never exceed the
maximum cold tire inflation pressure indicated
on the tire sidewall.
60 psi (420 kPa, 4.2 kgf/cm
17  8JJ, 17  4T (spare)
76 ft•lbf (103 N•m, 10.5 kgf•m)
6-1. Specifications
2
or bar)
2
or bar)
2
or bar) to
2
or bar)
385
6