Warning pale on my renault megane when i brake?what is this?

its a circle wiv 3 lines above it.

Answers: If the light is red it is a low brake pad instructive light.
You will necessitate to get the front brake pad checked.

If the light is red, after the first thing to check would be the brake fluid plane.
If it is low then the braking system will requirement to be checked for leaks and the brake pad and shoes will need to be checked