It turns on with restart just like auto stop/start.
As a side note, if you put some vehicle info in your profile or signature we will know what V you are talking about. Inspector Clouseau can retire and you are more likely to get better responses.
Edit: Noticed that you asked this same question back last year.
Got the same answer and a Mod had to ask you about what V you have. Sound familiar?
Well then De Ja, here is your solution: Pull the fuse.