Parking mode: you can activate the parking mode if you just want to have a break ("stopover") and continue your trip later. Breaks are also possible outside the business area. Parking minutes are charged with 0.29€/min.
Terminate rental: you have arrived at your destination and want to park the car to end the rental altogether (only possible in the business area).
Learn more about the most important rules for breaks and end-ride parking here. 💡