They dont mate.
There are a lot of cars on the road that have been involved in smashes that even a hpi doesnt bring up because the owner never told the insurance.
Also there is a little loop hole which some traders take advatage of and pass of cat d and e damaged cars after being fixed as brand new.
The fact that the damn thing has not even been put together?
Unless your uncle is making them in his shed from bits of his zx spectrum and old atari i would wait.
Customs will also sting your arse the moment they realise what it is if it gets a release date way before Europe. I know that it happened to a few ppl with American xbox360.
It is an alert when the alarm battery back up is failing as Lee said. It happened on mine when there was a drain on the battery.
When the battery was on its arse then the alarm began.
You may possibly have a drain, so find it to eliminate it.