Besides safety-relevant functions, comfort-increasing features are in the focus of customer perception. They are therefore crucial for the overall qualitative impression and the resulting customer satisfaction. In the course of a vehicle lifecycle, numerous system updates are usually carried out in the context of service intervals. In this way, the software verification carried out during development also has an effect on aftersales processes. “Early on, while conducting the virtual tests in the development stage, we take the customer-specific characteristics of the IT architecture into account,” Klehr explains. “This is how we make sure that they match the existing system interfaces during later servicing.” Only a correctly functioning software allows complex flash processes of control units. The workshop updates data that can partly be experienced by the customer, that is, which offer an immediately innovatory character – such as new menu items in the case of navigation software. At the same time, system updates are an important factor for the functioning and value retention of a vehicle. Also, by allowing the driver to profit from them immediately, updates of this kind ensure his long-term satisfaction even after the purchase, and they also strengthen his brand loyalty.