HGV Club on International Drive

[Scotland_The_Brave]

Help please - we have been successful with RCI and exchanged into the HGV Club on International Drive, for our vacation this July. Unfortunately our check out day (Friday) is a day too early for our flight back to the UK which is a Saturday. Do you think HGV will allow us to change our check in - check out days from Friday to Saturday? If not will it be possible to rent an additional night? If not can anyone suggest a good hotel for our last night? Does anyone have an email address for reservations at HGV International Drive? Sorry for all the questions, thanks in anticipation.