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#36
08-02-2024, 12:54 PM
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The tow haul switch works pretty good. I have noted it functions differently between my '06 Silverado with a 4L60 and my '15 Express van (6L80). Its best feature is the re-calibration of the shift points. But I noticed on my van it when on cruise control, it will also downshift automatically when going down a steep grade. It doesn't do this when driving without a trailer.
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Ed 1968 GTO (Thanks Mom) 2006 Silverado 2015 Chevy Express  2024 Cadillac LYRIQ 
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