The new car in the instant case was rendered wholly inoperable by a defective condition which permeated one of its most essential systems. Under such circumstances, his revocation of acceptance is justified. Orange Motors of Coral Gables v. Dade Co. Dairies, 258 So.2d 319 (Fla.App. 1972); Tiger Motor Company v. McMurtry, 284 Ala. 283, 224 So.2d 638 (1969); Moore v. Howard Pontiac American, Inc., 492 S.W.2d 227 (Tenn.Ct.App. 1972), cert. denied, 492 S.W.2d 227 (Tenn. 1973); see Nadeau v. Irwin Motors, 102 N.H. 212, 153 A.2d 791 (1959); Simpson v. Simmons, 114 N.H. 690, 693, 327 A.2d 708, 710 (1974) (Kenison, C.J., dissenting). The defendants contend that they are entitled to cure the nonconformity in the tendered goods.