2008 Lexus IS 250 Owners Manual - Page 415
2008 Lexus IS 250 Manual
Page 415 highlights
6-1. Specifications Type E Tire size Front tires: 225/40R18 88Y Rear tires: 255/40R18 95Y Spare tire: T145/70R17 106M Driving under normal conditions Front: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)* Rear: 38 psi (260 kPa, 2.6 kgf/cm2 or bar)* Front and rear tire inflation presSpare: sure 2 (Recommended cold tire inflation 60 psi (420 kPa, 4.2 kgf/cm or bar) *: When driving at high speeds above 100 mph pressure) (160 km/h), in countries where such speeds are permitted by law, add 7.2 psi (50 kPa, 0.5 kgf/ cm2 or bar) to the front tires and rear tires. Never exceed the maximum cold tire inflation pressure indicated on the tire sidewall. Wheel size Wheel nut torque Front wheels: 18 × 8J Rear wheels: 18 × 8 1/2J Spare wheel: 17 × 4T 76 ft•lbf (103 N•m, 10.5 kgf•m) 6 Vehicle specifications 419