This problem happened to me this summer.
Opened the car,then opened the boot but forgot the key inside when i closed it.
As you know, the car automaticly relock itself after 30 secondes, so it was 10.00 pm, i was locked out the car and the key was in !
Didn't managed to break a window with a hammer someone lended me :tsktsk:
Then, the police arrived and asked me to explain why i was trying to force my own car !
finally managed to catch the handle with a shoe-lace while 2 policemen were triing to separate the door.
My door is now twisted and wind enter the car when i go faster than 100 mph.
I was so angry that it was last time key left my hand while the boot was open.
fluff34567, would be pleased to know if your way to open the boot is easier than mine ! I can't always have policemen in my pockets !!!