Tire Pressure Light On problems of the 2009 Toyota Camry

2009 Toyota Camry le sedan. Consumer states steering problem, a continued pull to the left which apparently cannot be corrected without replacement of tires. Two hours after leaving the dealership, the low tire pressure light illuminated. The consumer went back to the dealer where it was determined the tire had a slow leak. The dealer found a nail near the sidewall of the tread. The consumer purchased two front tires. After he left the dealership, he noticed the pull to the left was gone. The consumer was informed the original tires were of poor quality and would not last much past 25,000 to 30,0000 miles.