Just another ride
As the ride was filmed on an Uber camera, Miss Canales and her two friends told Mohammed where they were going and buckled their seatbelts. They then started chatting away, all completely normal behavior to give Mohammed no indication that anything out of the ordinary was about to happen.
It was just a regular ride during a typical day. However, what Gabrielle had been eyeing up from the moment she got into the car went unnoticed by Mohammed.