2009 Lexus IS 350 Owners Manual - Page 323

4-3. Do-it-yourself maintenance Tires Replace or rotate tires in accordance with maintenance schedules and treadwear. n Checking tires New tread Treadwear indicator Worn tread The location of treadwear indicators is shown by the "TWI" or "∆" marks, etc., molded on the sidewall of each tire. Check spare tire condition and pressure if not rotated. n Tire rotation 2WD models with 16-inch tires or AWD models Rotate the tires in the order shown. To equalize tire wear and extend tire life, Lexus recommends that tire rotation is carried out at the same interval as tire inspection. Do not fail to initialize the tire pressure warning system after tire rotation. 4 Maintenance and care Front 2WD models with non-directional 17-inch tires Rotate the tires in the order shown. To equalize tire wear and extend tire life, Lexus recommends that tire rotation is carried out at the same interval as tire inspection. Front 325