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Either if those 2 tyre brands are good.
They can be added, might be worth you speaking to an auto electrican.
Your phone sat back can't be shown on the cars screen. You can get SD card updates. Have a look on eBay first.
Yep mpg will be a shock if you've come from hybrids. What mpg is the car saying you're getting? TFSI engines aren't the most economical.
Mirrors, it most likely won't have the feature. You could have it retrofitted and is worth speaking to autologics or Audi retrofits.