Any changes to delivery, pick-up/drop-off times, including if there is no driver, need to be done via 13cabs Call Centre. 

It is suggested to try this number first

13cabs Transport Solutions

07 3556 5788

Then try the regional numbers 

Brisbane        07 3556 5791 (24 hours)

Sydney          02 9020 2321

Melbourne (All Other States)   03 9226 7102 (24 hours) 

General Support (24/7) is by calling 13 22 27.