CELEX:62020CA0134: Case C-134/20: Judgment of the Court (Grand Chamber) of 14 July 2022 (request for a preliminary ruling from the Landesgericht Eisenstadt — Austria) — IR v Volkswagen AG (Reference for a preliminary ruling — Approximation of laws — Regulation (EC) No 715/2007 — Approval of motor vehicles — Article 3(10) — Article 5(1) and (2) — Defeat device — Motor vehicles — Diesel engines — Pollutant emissions — Emission control system — Software installed in the electronic engine controller — Exhaust gas recirculation valve (‘EGR valve’) — Reduction in nitrogen oxide (NOx) emissions limited by a ‘temperature window’ — Prohibition on the use of defeat devices that reduce the effectiveness of emission control systems — Article 5(2)(a) — Exception to that prohibition — Directive 1999/44/EC — Sale of consumer goods and associated guarantees — Article 3(2) — Device installed during the repair of a vehicle)