Hill Start Assist and Trailer Sway Control (Heavy Duty Pick-up ONLY)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Hill Start Assist
The hill start assist allows the driver to launch the vehicle without a roll back while the driver is moving there foot from the brake pedal to the accelerator pedal, refer to Hill Start Assist in ABS Description and Operation .
Trailer Sway Control
The trailer sway control can detect the vehicle yaw instability, caused by an attached trailer, refer to Trailer Sway Control in ABS Description and Operation .