Difficult

What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.

What goes with a car, comes with a car, is no use to a car but a car cannot move without it?

There is someone, and there is always another, for without the other, there wouldn't be one

I am a span of time you can always see through I am also the timepiece with the most pieces. What am I?

Riddles and Answers