VolvoTech Canbus Function Extender CFE OBD-V1, USB programming cable and software for sale.
https://www.ebay.co.uk/itm/154011701429
Fully working. Was used on a 2014 Mk1 XC90, but the car has been sold, so surplus to requirements. Adds what should have been basic functionality, such as auto folding wing mirrors and window closing using the key fob.