Subaru WRX & WRX STI Manuals 2011 Impreza WRX & WRX STI Owner's Manual | Page 432

13-10 Consumer information and Reporting safety defects & Tire care – maintenance and safety practices . Check on a daily basis that the tires are free from serious damage, nails, and stones. At the same time, check the tires for abnormal wear. . Inspect the tire tread regularly and replace the tires before their tread wear indicators become visible. When a tire’s tread wear indicator becomes visible, the tire is worn beyond the acceptable limit and must be replaced immediately. With a tire in this condition, driving at even low speeds in wet weather can cause the vehicle to hydroplane. Possible resu