Only post a thread in here if you have a CUSTOMER SERVICE issue related to your GM product.

If you want to know how to get better gas mileage, then post in the proper forum ... that's not a customer service issue. If you want to know what tires were stock ... that's not a customer service issue. If you had a vehicle in for repair 8 times and a dealer never fixed the issue ... that's the point to post a thread in here.