Can't turn off alarm when hook up jumper cables in car so can release front hood

What is your question?

dead battery. followed manual directions for using jumper cables to power up the small interior switch to open front hood. Problem: when hook cables to fuse box connection and striker plate the alarm goes off. Followed manual for turning off alarm, by manually locking and then unlocking the driver door, but it is failing to turn off alarm. So alarm is sounding off and the electrical release switch is not responding since car is technically still "locked". Any ideas? thanks. John