[Vukilore]

First:

pawn Код:

ShowPlayerDialog(playerid,5,DIALOG_STYLE_MSGBOX,"Infernal Race","A bomb has been planted on your bus,\nand if you slow down below 50mph,\nyou will be blowed up","Accept","");

Like this, you also need "If reponse = 1" so go delete reponse 0.
Finally i don't have any idea, sorry