Logged into Avis to check new booking and - amazing - the original booking was also there. Yet, when I wanted to change the time by a few hours, it forced me through most of the booking pages and then said that the numbers of my credit card were not correct. That surprised me as they have them on file ... Eventually got it to believe me THEN it said the CVV was wrong 'code must not have any letters or spaces' since I had only entered digits, this surprised me. Third time round, it believed me.
Also discovered that John Lewis have two customer service paths. One for purchases online and one for bought in store and they do not overlap at all.
