2009 Chevrolet Silverado 2500 HD Extended Cab Owner's Manual - Page 397

Trailer Brake Control Panel CAUTION: (Continued) with surge, air or electric-over-hydraulic trailer brake systems. To determine the type of brakes on the trailer and the availability of controllers, check with your trailer manufacturer or dealer/retailer. When trailering, make sure of the following: • The ITBC system is used only with trailers that are equipped with electric brakes. • All applicable local and federal laws and regulations are followed. • All electrical and mechanical connections to the trailer are made correctly. A. Manual Trailer Brake Apply Lever B. Trailer Gain Adjustment Buttons The ITBC system has a control panel located on the instrument panel to the left of the steering column. See Instrument Panel Overview (Base/Uplevel version) on page 3-4 or Instrument Panel Overview (Premium version) on page 3-6 for more information on location. The control panel allows adjustment to the amount of output, referred to as trailer gain, available to the electric trailer brakes and allows manual application of the trailer brakes. The Trailer Brake Control Panel is used along with the Trailer Brake Display Page on the DIC to adjust and display power output to the trailer brakes. 4-69 • The trailer's brakes are in proper working condition. • The trailer and vehicle are properly loaded for the towing condition. The ITBC system is a factory installed item. Out-of-factory installation of this system should not be attempted. GM is not responsible for warranty or performance of the system resulting from out-of-factory installation.