Mike Herlihy 
2006 Toyota Avalon Sedan Limited 4dr Sedan (3.5L 6cyl 5A)
Engine Oil Problem
 AC light began flashing and I smelled burning oil.  All of the engine oil had drained.  I took it to a dealer who informed me that they needed to replace the oil line.  This is a defect with this engine that really needs attention.  I would not recommend Toyota or purchase another one since the quality is not there.  This is the first time in 35 years of owning and driving cars that I have ever had such a problem.