PLAYER STATE CHANGE:

    new vehicle, string[128];
    vehicle = GetPlayerVehicleID(playerid);

    if(oldstate == PLAYER_STATE_ONFOOT && newstate == PLAYER_STATE_DRIVER) // Player entered a vehicle as a driver
    {
    	new engine, lights, alarm, doors, bonnet, boot, objective;
		GetVehicleParamsEx(vehicle, engine, lights, alarm, doors, bonnet, boot, objective);
		if(IsARentVehicle(vehicle)) // Faggio Rent Vehicles (San Fierro Airport)
		{
  			if(VehicleRentID[playerid] > 0)
     		{
       			ErrorMessage(playerid, "You are already renting a vehicle.");
          		RemovePlayerFromVehicle(playerid);
          		return 1;
			}
		    for(new i = 0; i < MAX_PLAYERS; i++)
		    {
		        if(VehicleRentID[i] == vehicle)
    			{
 	    			format(string, sizeof(string), "%s is currently renting this Faggio.", GetName(i));
 	    			InformationMessage(playerid, string);
 	    			IsEngineRunning(playerid); // Performs a check to determine whether engine is running, followed by a message sent to the player.
 	    			break;
				}
		    	else
		    	{
					format(string, sizeof(string), ""WHITE"You can rent this Faggio for "GREEN"$%d"WHITE".\nWould you like to rent it?", RentalPrice);
					ShowPlayerDialog(playerid, RentalDialog, DIALOG_STYLE_MSGBOX, ""YELLOW"Barrona Rental", string, "Rent", "Exit");
					break;
				}
			}
		}
	}

	DIALOG RESPONSE:

	    case RentalDialog:
        {
            if(!response)
            {
				RemovePlayerFromVehicle(playerid);
            }
            else
            {
                if(Player[playerid][Cash] < RentalPrice)
                {
					ErrorMessage(playerid, "You don't have enough cash to rent this vehicle.");
					RemovePlayerFromVehicle(playerid);
                }
                else
                {
					GiveCash(playerid, -RentalPrice);
					VehicleRentID[playerid] = vehicle;
					InformationMessage(playerid, "You are now renting this Faggio.");
				}
			}
        }