[Yvonne+puppy]

Hi dont know if this is the right place to post this as dont really do forums but need some HELP...............here goes
Its a Boxster S 2001 only done 48,000 miles
My battery is dead I have taken the cover of the fuse box pulled out the red thing put the jump leads to the red thing and the metal door catch and on to a battery but its just setting the alarm off and wont open the bonnet and my key to stop the alarm is broken.............. how can I get into the bonnet to charge the battery ???
I rang the Porsche garage up and they said I have to ring the AA or other rescue service but I am not a member.......
Any body have any ideas ????? many thanks Yvonne