general problems of the 2001 Toyota Avalon

On 4/21/14, I purchased 2 crosswind tires. The seller gave me, in writing, tread wear warranty of 50,000 miles. However, I have only driven approx. 19,000 miles and 90% of treads are gone. I have contacted the seller, he told me to contact the manufacturer. The manufacturer refused to honor their warranty. I even contacted my credit card CO. To help, but they refused it too. It is dangerous to drive on these tires. I paid $129. 00 plus $40. 00 for installation. Please help me get my money back.

Check tire pressure usually the first week of the month and never had problem of tires losing 60% of air between checkups. I thought that there was a puncture and took it to discount tire in romeoville(where I bought yokohama tires). Checked all the four tires and found no nails or other. They however found two wheels with corrosion(white flaking) and they suggested that I replace the wheels for this weather damage will only accelerate. These are supposed to be alloy wheels and how can there be weather damage. I had all the four wheels ground and buffed. Six months later, air leakage was back with vengeance and since it cost me only $19. 00 a wheel to grind and buff - I have been doing this instead of shelling over $500. 00 to have the wheels replaced. These wheels are not genuine Toyota. I had celica st back in the 70s and 80s and I had none of this nonsense with its alloy wheels.

Odometer is giving a false reading. Also, vehicle was designed for a 15 inch wheel, and vehicle has a 16 inch wheel. Contacted dealer, and dealer stated speedometer was okay.