Toyota Service Brakes, Hydraulic Foundation Components Differential Proportional Valve

I was a happy 2004 Prius owner until 4 days ago when, while driving at about 60 mph on a foggy/drizzly 60 degree F. day on freeway blacktop, all warning lights on the dashboard suddenly illuminated, after which I took my foot off the accelerator,

Our 2004 Sienna just had its 90K mile service.  The entire rack and pinion system needs replacing, the water pump, and the transmission pan. The thing that kills me is during our 90K mile servcie on our Toyota Avalon 2 years ago - the rack and pi

just took my 2005 tundra 4wd truck in for service and was informed that I needed a new:"gear" for the rack and pinion steering.. Truck has 86,600 miles, and extended warranty ran out in Nov.
2010. Is this a "normal " problem for that mileage

Don't know if this has been reported before or not but has happened several times with out warning while pulling in to a parking space and slowing down by putting pressure on break vehicle seems to 
not want to stop but speeds up so far I have