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
press select a couple of times.
you not allowed to use it stupid all cops chasing you
You are only able to drive it, as the lift will not work.
you cannot use nitrous in the normal gta 4, but you can on TBoGT in a race
there is no hovercraft in gta4
they
No
use gta4.net's interactive map