I often found a lots of interesting items from the following links from Japan. Not sure if they will ship to the USA but worth to check it out. I can't read Japanese but google translate can help : 【楽天市場】プリウスphv zvw52の通販 https://priuscustom.com/top_phv.html Note: Since the driver side in Japan in at the right hand side, certain items might be mirrored and not applicable to USA/Canadian market
They have a couple of "steering switch" buttons that add different functions to the steering wheel. I wish they had one for EV mode so we could switch between EV / HV mode more easily than having to look down at the buttons below the shifter.