Section 575.2 - Definitions(a)Statutory definitions.(1) All terms used in this part, subject to paragraph (a)(2) of this section, that are defined in 49 U.S.C. 30102 , are used as defined therein.(2) All terms used in Subpart D of this part that are defined in 15 U.S.C. 1231 , are used as defined therein.(b)Motor Vehicle Safety Standard definitions. Unless otherwise indicated, all terms used in this part that are defined in the Motor Vehicle Safety Standards, part 571 of this subchapter (hereinafter "the Standards"), are used as defined in the Standards without regard to the applicability of a standard in which a definition is contained.(c)Definitions used in this part.Owners manual means the document which contains the manufacturers comprehensive vehicle operating and maintenance instructions, and which is intended to remain with the vehicle for the life of the vehicle.
Skid number means the frictional resistance measured in accordance with ASTM E 274 (incorporated by reference, see§ 575.3 ) at 40 miles per hour, omitting water delivery as specified in paragraph 7.1 of ASTM E 274 (incorporated by reference, see§ 575.3 ).
35 FR 6867, Apr. 30, 1970, as amended at 38 FR 5339, Feb. 28, 1973; 48 FR 44081, Sept. 27, 1983; 54 FR 48749, Nov. 27, 1989; 64 FR 27924, May 24, 1999; 75 FR 15944 , Mar. 30, 2010