Police want to speak to the driver of a security vehicle who was seen on CCTV footage slowing down to have a look at the car as it pulled out of the street.
Police are also seeking any witnesses who may have seen a cream sedan pick up the woman across from Sky City or driving near Bayswater Marina between 5.50 and 6.30am.
Anyone with information should contact Detective Ander at the North Shore CIB on (09) 477 5043 or call Crimestoppers anonymously on 0800 555 111.