This is our Hands-On-Tech (HOT) reporting series*. Here, we take a look at the top-spec connectivity features offered by manufacturers in detail, looking to benchmark the connectivity functionality based on various test criteria. Volkswagen's compact crossover T-Roc takes on the best-selling Nissan Qashqai in a very busy and fiercely competitive segment. So how does the technology, Car-Net, now available across the range, fare as a value proposition?