I found this sensor mounted in my front grill pointing forward. This car had the original mobile phone, in-dash radar detector and a Clifford alarm with Nightvision and remote lock installed on it when I bought it. I have removed the wiring I could physically trace for the phone and radar detector because I didn't like them and had a battery drain problem that is pretty much solved now. This I assume was for the radar detector but since it looked like it was part of the OEM wiring, I thought it may be for something else (like the alarm????). It has "MK 10" stamped on the wire. Any ideas out there?