Well, I guess I should have clarified the bad road conditions a little better. I wasn't talking about dry road condidtions at all, what I meant was rain, icy, snowy roads etc. I have no reason for using under dry conditions. The manual is no help because it doesn't say anything about towing while in 4 wheel drive. Thanks everyone for your input. I am going to have e-mail GM and ask them directly. Does any have a good link to GM for something like this?
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