In city traffic, acceleration with my 2006 es330 is not predictable and it hesitates rather than responding appropriately as the gas pedal is pressed. has also happened as i am trying to accelerate to merge into traffic. occurs sporadically and is very unpredictable. can go weeks without it happening. no accidents due to this - yet. i have taken car back into lexus dealership and got a canned response of it adapting to the driver patterns and it is responding the way it is supposed to - basically telling me that my problem is not a problem. i will not buy another lexus and will probably get rid of this one much sooner than how i normally keep vehicles. *tr