Agree with many of the suggestions here....
I'd like to see my phone connection permanent, rather than having to connect just about every other journey.
I'd like to see paint sticks available for maintaining the inevitable stone chip syndrome.
Far greater awareness of the 'service mode' so that folk don't scratch their paint trying to lift the wipers up in 'non-service mode' which is ridiculously easy to do.
Better quality window switches so you are not forever checking that your windows haven't been accidentally lowered.
Not having the entire list of songs starting up as a default when using a USB stick with music files on it. File system for this is too clunky and awkward.