67 Pa. Code § 175.69
Every windshield defroster system shall be in safe operating condition.
The provisions of this § 175.69 adopted October 29, 1982, effective February 1, 1983, 12 Pa.B. 3862; corrected November 12, 1982, effective February 1, 1983, 12 Pa.B. 3947; readopted December 2, 1988, effective December 3, 1988, 18 Pa.B. 5362. Immediately preceding text appears at serial page (77509).