You can't use your directional only pedestrians can.
open your cell phone by pressing "up" on the directional pad. Press "up" again to enter code entry mode.
no, you can't
you mean the weather cheat, it's hot-555-0100 i believe. use gta4.net for the hot number if you don't know it.
no
you not allowed to use it stupid all cops chasing you
press select a couple of times.
You are only able to drive it, as the lift will not work.
No
they
there is no hovercraft in gta4
you cannot use nitrous in the normal gta 4, but you can on TBoGT in a race
use gta4.net's interactive map