Originally Posted by Elan

This is why I know what police headlights look like at night! I know the 3 main types: Crown vic, Impala, and Charger (Charger and Impala are the same when the Charger does not have foglights on). The ones that still scare me are any SUV/Pick-up cops and the new Caprice (I think it's similar to the Impala setup but haven't verified yet). The day Police cruisers come standard with HID/Xenon lights, well we are all effed.

For the Crown Vic, look for rectangular headlights with a small rectangular yellow lights in the center.

The Impala/Charger IMO is the easiest to spot. If you have Impala Police in your area (I do), treat the oval lights with two little orange circles in the middle in your mirror as one. The Honda Accord has slightly similar headlights.