When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
It is not stock or factory. It looks like an LED from a K40 radar detector/laser jammer install. However, there are usually two, but you don’t need two,.
You might check for a switch under your dash. If you have a K40 that it is a common mounting location. Does it light up all the time? Steady? Or does it flash?