Join Date: Jan 2007
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I've done a quick search for you and I think you need to do the following :-
Press and hold the left side of the interior central locking button for 5 seconds. You may then hear a beep. The anti hi-jack setting should then be switched off.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo