They are also another type of safety device you can find in outdoor parking lights. Similar to Lot Cops, the blue light is meant to serve as an easy indicator that the emergency phone is there so ...

your electric parking brake needs to be checked. The same is true if you see the anti-lock braking system light up or flash while you're driving. There's also an indicator for the auto-hold feature.

Other is IR (infrared) lamp to give illumination to back parking camera in night. Normal human eye can not see IR light. But if you want to see right lamp glowing, take a video while paking (in ...