The gold plated Adaptive Cruise Control add on module is used in conjunction with the AC031 Steering Wheel Conversion kit. This adds the additional functionality via the steering wheel controls of Adaptive Cruise Control in a pre 2010 Range Rover Sport The module plugs onto the LH switch board included in the AC031 conversion kit. The Adaptive Cruise Control is an improved cruise control system that uses a front mounnted radar sensor to maintain a pre-set distance from the vehicle in front, even if that vehicle changes speed. If the vehicle is fitted with a Standard Cruise Control, then this accessory is not required. If the vehicle is fitted with Adaptive Cruise Control, then it will have an extra rocker switch with < - >and < --- > on it.