As long as the type of vehicle is correct and your trip is on a domestic route, you will most probably not encounter any issues during boarding.
The standard procedure for changing a booking is to cancel the issued ticket and book a new one with the correct details. However, some ferry companies allow for a direct modification of the license plate number. In such cases, we can update the details for you, with a €6 modification fee, subject to garage availability.
For international travel, having the correct license plate number is essential, and you may be denied boarding if the details are incorrect. Therefore, it is important to ensure all information is accurate.