brake indacaitor light on dash keeps coming on or flashes and dings on 2001 Lexus RX300

anybody know what would cause the brake light on the dash to come on or flash and ding

2 answers 2 comments
CK BRK FLUID LEVEL 1ST THEN HAVE CODES READ IF FLUID IS OK
Is the parking brake COMPLETELY released.
yes the brake is completely released
Go back to answer #1 and also consult owners manual if available.