Update in-car system?

[SirRuneIP]

Hi.
How can i see which software version the system has, and is it even possible to update it?
Do they even make updates for the system?
Thanx

[SirRuneIP]

Well, i found out which version i have.
But where to find a update, or whether its necesary, thats more than difficult?!
Any out there that knows more?