California Lemon Law - Law Offices of William R. McGee in Carlsbad has operated as the state's largest lemon law firm from Palomar Airport Road since relocating from Rancho Bernardo in 2019. The practice exclusively handles Song-Beverly Consumer Warranty Act claims against manufacturers whose vehicles were purchased or leased new from dealerships including BMW of Carlsbad and other franchise retailers statewide. California State Bar #122153 attorney William McGee has resolved over 20,000 lemon law cases since founding the firm in 1989, settling 99.9 percent without courtroom litigation across a 36-year track record. The firm's two-step evaluation process pairs legal analysis with technical vehicle assessment, reviewing warranty repair orders from manufacturer-authorized service departments including Toyota Carlsbad Parts & Service to establish the statutory repair-attempt threshold. Highest-complexity cases involve vehicles with intermittent electronic or drivetrain defects requiring OBD-II diagnostic data extraction and manufacturer TSB cross-referencing to prove a substantial impairment of use, value, or safety under Civil Code section 1793.22.