[mhon72]

I've got the latest v4 module that plugs into the OBD2 socket and can vouch it being worth the money.
I previously had the first version that was wired which was temperamental at times so plugging this into the OBD2 and working from the off is fantastic.
This new module also controls the Auto Locking function when enabled by Auto Unlocking the doors when the engine is turned off.
Also can "permanently" turn off the Stop-Start function if you have that.
Significantly cheaper than the module offered by VolvoTech which is more suited to older models where more functiality is available.