Most likely the radio/cd is not the original one which first came with your car. You need to have the VIN no. of your car programmed into your radio. This can be done by main dealer or someone who decodes car stereos.
Pat--Car Audio Repairs
October 2011
You wil need to get the radio recoded to the cars computer using the correct diagnostic equipment. The beeping is part of the radio anti-theft warning!
nigel
October 2011
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