Although I chose full insurance for peace of mind, the insurance provided by Zuzuche is underwritten domestically, not by the rental office. This led to extremely poor service from the staff, who were not only rude but also refused to provide the requested car model and insisted on aggressively upselling their own insurance. They even threatened that if the car was damaged, compensation would start at a minimum of €1500. When picking up the car, I noticed several XC60s parked there, which felt discriminatory. The worst part was being charged a late fee, something I've never encountered before. Our flight was delayed by an hour, and then we had to take a train from Cologne Airport to Düsseldorf Airport, causing a total delay of 1.5 hours. We were charged over €30 for late arrival.