Contents Oil System Changes ? LS7 and LS9 . . . . .1 VDR Host Application . . . . . . . . . . . . . . .1 Odometer Programming Update . . . . . . .2 ASTRA Oil Life System Reset . . . . . . . . .2 RKE Inoperative . . . . . . . . . . . . . . . . ...