Emergency parking brake will not release manually

[ARZ540I]

Guys

Need some help please. Car was used today without issue, My wife parked the car on our driveway which in on a slight decline, She attempts to go back out an hour later and hears what she states as a loud high pitched noise from the back when unlocking the car?? Gets in and has the yellow park light illuminated and the check control message on the main screen. Car will not move reverse or drive.

I tried using the emergency park brake release tool in the back and there is no resistance at all when pulling up, It also doesn't do anything. I have pulled up quite hard and nothing. I have removed fuses 10 & 94 for up to 10 minutes in the hope it would reset but nothing.

In a bit of a pickle here, We can't move the car at all, Its sitting in front of the garage where we have our other car that is usable lol.

Why would the emergency brake release cable not work? As mentioned car is parked forwards on a slight incline on our driveway, Would they apply added pressure on the parking brake? Surely there must be a way to release it. The car is completely incomparable at this point.

Any suggestions?

Thanks