Do you know this? You go shopping, park your car, go to the shopping center and on the way back you feverishly start thinking about where exactly you parked your car again. Customers of the Rhein-Neckar-Zentrum can now breathe a sigh of relief. Since 2017, the carFinder implemented by 3d-berlin has been helping visitors find their car quickly and easily. All the customer has to do for this is to enter the QR code next to the parked car and, after shopping, the QR code at the automatic pay station. The smartphone now opens the way to the stored location of the parked car.