I booked a car that I realised I don’t need at the last minute. Up until when can I cancel it?

You can cancel your booking yourself in the booking system up to one minute before your booked period begins.

tim charging situation is changed
The tim card is no longer a charging card since 01 March. To charge the car sharing vehicles, a charging card can be found in the respective vehicle. You can find more information about this in the article.