There were no Haynes manuals for the 2015 Silverado at the time of purchase, but most of the 2014 model has been carried over to 2015 so it was good enough for what I still need . There may soon be a guide covering 2015, but I haven't checked lately. Such a manual cannot be expected to be comprehensive, but it will allow you to carry out simple to medium repairs yourself without going to the dealer. I think these guides are about a B if you can read between the lines at times.
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