new warnings

What is your question?

my jag has been running fine with no warnings. I put it in the garage a couple of days ago. All was normal. Today i get in to start and it has a boatload of warning i have never seen before: Gearbox fault; Failsafe engine mode; low brake fluid, ASC no available( i have seen that before); incorrect part fitted. I haven't had any issues for several years, now this from one day to the next. It won't turn over, the gearshift is locked. The battery is fine at 12.67v. There is also a red BRAKE lite on the dash as well, besides the engine check lite. This is all out of the blue and these warnings all showed up at once. a

What makes this problem better or worse?

n/a

How long has your 2000 Jaguar XK8 had this problem?

Started today