Join Date: Jan 2007
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Each time you enter the code incorrectly the radio locks itself for longer and longer each time before allowing you to enter the code, as you know.
However for this time to elapse the cars ignition and radio must be on for it to count down. I suspect what you are doing is not waiting long enough, turning off the ignition and trying again later. But by not waiting long enough the count down will start from the start again the next time you turn the ingition on, if you get me.
Try leaving the ignition and radion of for an hour or so and see if the word CODE comes up on screen instead of ERROR.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo