For me the things that are a little irritating are:
Blind spots
No steering wheel adjuster/ seat height....no...I refuse to use a cushion!
No postcode settings on Sat Nav
Apart from those minor details I LOVE my Zed
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Eibach lowering springs, 20mm rear spacers, 25mm front spacers, Motordyne XYZ Y-Pipe, Burk HFC's, Japspeed exhaust, Stillen G3 Dual intake, Seibon carbon fibre GTR35 bonnet, Seibon Carbon fibre spoiler, Seibon Carbon Fibre Fangs...