ADD OR REMOVE FUNCTIONALITY OR ACCESSORIES
The software product adds/removes the functionality used to increase or decrease the functionality in the vehicle. This is primarily done through modifying the vehicle configuration file in the Central electronic module (CEM) (applies to accessories that do not require hardware replacement).
Modified functionality in the vehicle is achieved by changing this file. In addition there are some functions that require software to be downloaded, for example, when you add a control module to the vehicle.
The software product remove functionality does not erase any software, it changes a parameter in the vehicle configuration file so that the control modules in the vehicle interpret this as if the function no longer exists.