brakes ligts still on

The red brake light can be on for multiple reasons. 1) pedal travel too far 2) brake fluid level low 3) parking brake mechanism applied Check all those items. If the travel is too far, you may need to bleed the brakes to get air out of the lines. If that doesn't help, you could still have a problem with the master cylinder itself. The parking brake pedal may be slightly depressed too - check that...