For 2011, the LR4 offers Hill Start Assist, which keeps brake force as the driver moves from brake to throttle when beginning on a grade or moving up. In the mean time Gradient Acceleration Control (GAC) assists abate the LR4 when beginning down a steep review by tweaking the brakes, and works yet when ordinary Hill Descent Control is not interested. GAC additionally works in reverse, a nifty emphasize that will be treasured by any individual who's lost their nerve going at a destitute of vision peak. 2011 Land Rover LR4