Instructions
Press "L1" while near a taxi to hail it.
Press and hold the "Triangle" button to enter the cab as a passenger.
Select the destination using the directional pad. You can select any Liberty City landmark, shop or a waypoint that you've selected on the map.
Press "X" to confirm the location.
Press "X" if you wish to skip the taxi ride and automatically be taken to the destination. The fare will be paid automatically upon exiting the taxi and varies depending on the location.