Check Bulbs Light

1999 Lexus RX 300 the check bulb light came on. Checked all bulbs did not find a bulb that need replacing. When I start the car the warring light goes out, when I step on break pedal the warning light come on.

You do not need to post the same question more than once.
Please refer to my answer in your other post.
Also, it is a BRAKE pedal.