Does a warning light come on when I need to replace my brake pads? on 2000 Ford Escort

2 weels ago my mechanic told me my pads were getting thin and would need to be replaced soon. The brake warning light came on last night and won't turn off. I checked my fluid, it's dirty but full. The master cylinder is full as well. I just want to know if it's still ok to drive my car and how many miles I should still have left. I'm not hard on my breaks either.

Asked by for the 2000 Ford Escort
1 answer
no warning sensor but float in master cyl may be stuck and turning on light