we bought a 2006 chev uplander in 2007 with 6, 000 mi on it from a chev dealer in oneonta, ny. we now have 26, 000 mi on it in 2009 & the tires are dangerous to drive due to severe cracking between the treads on all 4 tires. GM says it is due to lack of driving & they will not replace any of the tires-not even pro-rate them. we will never do any type of business with GM ever again. read full review »