Drive EV is offering $100 off their head unit language conversions for Nissan Leaf's for the duration of L4 lockdown. Add the promo code COVIDSUCKS at checkout.
If you have a spare 16 GB (or larger) SD card available you can do the whole thing yourself at home/online. Instructions/videos are provided by Drive EV or you can call/email them for help. I managed it pretty easily on my Leaf, but the DIY method could be a little difficult if you're not particularly computer-savvy.
Prices after discount start from $245 for DIY Carwings conversion.
See the Drive EV Facebook page for more details https://www.facebook.com/driveevnz/posts/4852594118101168