Lexus 2003 LS Owner's Manual page 384

CHASSIS
– TIRES AND WHEELS (Type B)
Tire size
Tire inflation pressure
Recommended cold tire inflation pressure
Wheel size
Wheel nut torque
NOTE:
For complete information on tires (e.g. replacing tires or replacing wheels), see "Checking tire pressure" through "Aluminum wheel
precautions" on page 373 through 381.
370
225/55R17 97W
Front 240 kPa (2.4 kgf/cm or bar, 35 psi)
2
Rear 240 kPa (2.4 kgf/cm 2 or bar, 35 psi)
For sustained high speeds above 200 km/h (124 mph), in countries
where such speeds are permitted by law, add 10 kPa (0.1 kgf/cm
bar, 1 psi) to the front tires and rear tires, but never exceed the
maximum cold tire pressure molded on the tire sidewall.
17 x 7 1/2JJ
103 N·m (10.5 kgf·m, 76 ft·lbf.)
2 or