Car breakins using bluetooth

Found on comp.risks, an interesting new risk of bluetooth:

Subject: Car breakins using bluetooth
From: Andrew Nicholson


I recently lost our rental car in one of the huge parking lots of Disney World.

...

Here's the interesting part: every break-in in the past month had involved a laptop with internal bluetooth. Apparently if you just suspend the laptop the bluetooth device will still acknowledge certain requests allowing the thief to target only cars containing these laptops.