Ошибка Record, object or class type required

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, ExtCtrls;
 
type
  TCars = record
  Brand:String[20];
  Color:String[20];
  Automaker:String[20];
  end;
 // TMassBase = array [1..1000] of TCars;
  TForm1 = class(TForm)
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    SaveDialog1: TSaveDialog;
    BitBtn4: TBitBtn;
    LabeledEditAutoMaker: TLabeledEdit;
    LabeledEditBrand: TLabeledEdit;
    LabeledEditColor: TLabeledEdit;
    procedure BitBtn4Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 // Base:TMassBase;
  Cars:TCars;
  TMassBase : array [1..1000] of TCars;
implementation
 
{$R *.dfm}
 
procedure TForm1.BitBtn4Click(Sender: TObject);
begin
  SaveDialog1.Execute;
end;
 
procedure TForm1.BitBtn1Click(Sender: TObject);
begin
  if  (Length(LabeledEditAutoMaker.Text)>0) and (Length(LabeledEditBrand.Text)>0)
   and (Length(LabeledEditColor.Text)>0) then
   begin
     with Cars do
     begin
       TMassBase.Color[i]:=LabeledEditColor.Text;
     end;  
   end;
end;
 
end.

TMassBase[i].Color