Thanks all who have replied...
Agree on the seriousness...re-reading my write up does make it seem like we driving daily and using strong leg muscles to bring 100 to a stop...LOL...we are not. When the condition occurred I found was wholly undrivable but after she sat for a couple weeks we went...
Posted this question in a separate thread...
2003 LC 100 w/245k miles. We have been having the ABS light/ Brake light/ alarm condition intermittently which causes the undrivable 'no brakes' condition. Being intermittent and not being able to replicate the condition has been very frustrating...