help calibra died last night

[dj_smurph]

been having some starting problems with my car last night it stalled and i couldnt restart(crank over) it so i waited 30 mins like the last time no joy. then the ignition barrel decided to give up the will to live and is now in 4 pieces, called the aa out couldnt get the car started, i know the alarm (toad ai606) is working but when it is disarmed the led goes from green to flashing quickly recently i have had the alarm trigger shortly after arming, also the led in the O.E ultrasonic sensor flashes as well,

bits that i know i need is
1) ignition switch
2) ignition switch housing
3) ignition barrel

i am gonna get a fault code reader to se what the oe alarm is saying
does anyone have any ideas to what the problem is

[dj_smurph]

right now the alarm does not work

i am gonna claim against the aa
gonna get the car to the alarm installers tomorrow

[dj_smurph]

ok problem over took the battery out and reset everything just got an issue with the immobiliser