2009 Hyundai Sonata Owner's Manual - Page 269

CONSUMER INFORMATION, REPORTING SAFETY DEFECTS & BINDING ARBITRATION OF WARRANTY CLAIMS 8 11 I080A01A-AAT I090A04JM-AAT TIRE TRACTION Tire traction can be reduced if you drive on worn tires, tires that are improperly inflated or on slippery road surfaces. Tires should be replaced when tread wear indicators appear. To reduce the possibility of losing control, slow down whenever there is rain, snow or ice on the road. WHEN TO REPLACE TIRES 0.06 in. (1.6 mm) Tread wear indicator HNF5015 The original tires on your car have tread wear indicators. The location of tread wear indicators is shown by the "TWI" or " " marks, etc. The tread wear indicators appear when the tread depth is 0.06 in. (1.6 mm). The tire should be replaced when these appear as a solid bar across two or more grooves of the tread. Always replace your tires with those of the recommended size. If you change wheels, the new wheel's rim width and offset must meet Hyundai specification. WARNING: To reduce the chance or serious or fatal injuries from an accident caused by tire failure or loss of vehicle control: o Replace tires that are worn, show uneven wear, or are damaged. Worn tires can cause loss of braking effectiveness, steering control, and traction. o Do not drive your vehicle with too little or too much pressure in your tires. This can lead to uneven wear and tire failure. o When replacing tires, never mix radial and bias-ply tires on the same car. You must replace all tires (including the spare) if moving from radial to bias-ply tires. !