2005 Vauxhall Corsa how to fix

If the immobilizer light is flashing
that means that the chip in the key is not being recognized by the system
if you have a second key try that
you could get a new key programmed by a main dealer but that will cost you about à † 200
you could however buy yourself an opcom interface and reprogram your own (or a new key)if you have a laptop for about à † 40
as well as being able to read and clear any fault codes
look on ebay for opcom
should have also said you need the car pass (security code )costs about à † 25 if you don't have the car pass
4 digit code to get into programming on ecu

Mark (mhpautos)

Information taken from a Vauxhall web site.