what is the purpose of the wording on the gear shift handle, something about tow
This should help, copy and paste...https://www.google.com/url? sa=t&source=web&rct=j&url=https://www.chevr olet.com/content/dam/Chevrolet/northamerica /usa/nscwebsite/en/Home/Ownership/Manual s_and_Videos/02_pdf/2k11silverado.pdf&ved=0 CCcQFjADahUKEwj- hbz4r4XIAhXGVz4KHdZvCH8&usg=AFQjCNFy8 Eh2dxREbIytsSJ-8Mf7mo7XBQ
It changes the shift points of the transmission while you are towing something, but it also helps if you are in hilly terrain at low speeds under 20 MPH, I use that setting a lot in my area.
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