If you want to end the rental at a SIXT station, make sure you have the return address of the desired station with you. When returning the car, follow the Car Return signs. In the Car Return area of the SIXT station, take the vehicle key from the glove compartment, end the rental using the app and then lock the vehicle using the vehicle key. Please then place the key into the key safe or hand it in at the SIXT counter. Please also note: If you return the vehicle to a SIXT station, additional charges will apply. More information about this can be found in the SIXT share rates.