a breif guide on how to remove the black immobiliser box on non keypad models so if you dont have the keypad this IS for you
ENGINE MUST BE RUNNING WHILST REMOVING BLACK BOX!!!!!!!!!!
IF THE ENGINE IS NOT RUNNING IT WILL LOCK YOUR ECU!!
1.locate the black box but dont remove it yet which is located in the passenger footwell behind the fuse box it will look like this:

2.start engine and leave to tick over
3.with the engine running remove the black box there is a plastic clip which i just prised it off with a small flat head screw driver and let engine carry on running for 5 mins
4.switch off engine then switch back on and job done