2014 Chevrolet Silverado 3500 HD Crew Cab Owner Manual - Page 355

Driving and Operating ITBC must be disconnected. Do not power both ITBC and aftermarket controllers to control the trailer brakes at the same time. . 9-89 When pulling a heavy trailer or a large or heavy load in stop-and-go traffic. When pulling a heavy trailer or a large or heavy load in busy parking lots where improved low speed control of the vehicle is desired. . Tow/Haul Mode This indicator light on the instrument panel cluster comes on when the Tow/Haul Mode is on. Tow/Haul is a feature that assists when pulling a heavy trailer or a large or heavy load. See Tow/Haul Mode on page 9-37 for more information. Tow/Haul is designed to be most effective when the vehicle and trailer combined weight is at least 75 percent of the vehicle's Gross Combined Weight Rating (GCWR). See "Weight of the Trailer" under Trailer Towing on page 9-76. Tow/ Haul is most useful under the following driving conditions: . Pressing this button at the end of the shift lever turns on and off the Tow/Haul Mode. Operating the vehicle in Tow/Haul when lightly loaded or with no trailer at all will not cause damage. However, there is no benefit to the selection of Tow/Haul when the vehicle is unloaded. Such a selection when unloaded may result in unpleasant engine and transmission driving characteristics and reduced fuel economy. Tow/ Haul is recommended only when pulling a heavy trailer or a large or heavy load. When pulling a heavy trailer or a large or heavy load through rolling terrain.