85.1902—Definitions.
         For the purposes of this subpart and unless otherwise noted:
    
    
    
    
        
        (1) 
         A defect in design, materials, or workmanship in a device, system, or assembly described in the approved Application for Certification (required by  40 CFR 86.1843-01 and 86.1844-01, and by  40 CFR 86.001-22 and similar provisions of  40 CFR part 86) which affects any parameter or specification enumerated in appendix VIII of this part; or
    
    
        
        (2) 
         A defect in the design, materials, or workmanship in one or more emissions control or emission-related parts, components, systems, software or elements of design which must function properly to assure continued compliance with vehicle emission requirements, including compliance with CO2, CH4, N2 O, and carbon-related exhaust emission standards;
    
    
        
        (c) 
         The phrase useful life shall be given the meaning ascribed to it by  section 202(d) of the Act and regulations promulgated thereunder.
    
    
        
        (d) 
         The phrase Voluntary Emissions Recall shall mean a repair, adjustment, or modification program voluntarily initiated and conducted by a manufacturer to remedy any emission-related defect for which direct notification of vehicle or engine owners has been provided, including programs to remedy defects related to emissions standards for CO2, CH4, N2 O, and/or carbon-related exhaust emissions.
    
    
        
        (e) 
         The phrase ultimate purchaser shall be given the meaning ascribed to it by  section 214 of the Act.