Inspired by the Monza concept, the seventh-generation Vauxhall Astra made its global debut at the 2015 IAA. As one of the UK's best-sellers, Astra is a household name for British car buyers with almost three million sold in the country over the last 38 years. Built at the carmaker's Ellesmere Port factory, the mid-size hatchback is based on a lightweight vehicle architecture with a new design, punchy powertrains and novel technologies. Continuing just-auto's review of interior design and technology trends, we borrowed one to take a closer look.