my key fob doesnt unlock my astra?

http://wiki.answers.com/Q/How_do_you_reset_your_vauxhall_astra_mk4_remote_key_fob

insert the key into the ignition, turn to the final stage before the engine turn.

press and hold the door lock button, doors will lock and unlock, turn key back, remove and smile that you just saved yourself a lot of money :)

ChicksFan
October 2013