Railcover is a flexible rail vehicle service concept from Siemens that aims to increase availability and optimize maintenance costs. It provides on-demand support, maintenance, and spare parts modules that can be customized to meet specific customer needs anywhere and anytime. The key modules include incident support via a rail support center, mobile technicians, and a network of service facilities, as well as maintenance on demand and a full service package. The goal is to minimize downtime and keep customers' rail operations running smoothly.