rayford

I have a 2008 LS460. When I use the cruise control arm to increase the speed of the car, the car downshifts and accelerates extremely hard no matter the speed or road conditions (uphill, downhill, level) Has anyone else experienced this? Can this be adjusted to be more smooth? I've previously owned an 92 LS400, a 98 GS400, and an 04 LS430. None of these cars had this occur and each of these other vehicles exhibited very smooth cruise control speed adjustments.

My 1998 GS400 has 137K. I used to drive a 92' LS400. When the alternator went out it took the PS & water pump with it. I would check and change all at once if they haven't been changed already.