C70: - i have made a booboo

i closed the boot with the main key in

whats the easiest way to break into a c70 boot as i only have the service key and have removed the immobilizer module and now the petrol flap wont open and neither the boot any suggestions i am not bothered about dmage to the boot lid as i am breaking the coupe

am i going to better cutting the boot lid off?

any other suggestions