Forum Discussion
allen8106
Oct 15, 2018Explorer
My owners manual for my 2018 GMC 3500, Duramax Diesel makes no mention of using the tow/haul mode or the exhaust brakes in adverse conditions. For the cruise control it only says not to use cruise control slippery conditions. Slippery conditions are up to individual interpretation.
About RV Newbies
4,032 PostsLatest Activity: Aug 28, 2025