This suspension uses sensor input to adjust each of its dampers independently, making them softer or more rigid depending on the road and what the driver is asking of it. (cnet.com)
When the cruise control is activated laser sensors in the front grille area are used, in conjunction with vehicle speed sensor inputs, to detect approaching vehicles in the same lane of traffic. (bestride.com)
If it does this when you aren't at completely full throttle, though, there could be a problem with a speed sensor input or a governor inside the transmission. (articles.orlandosentinel.com)