Rx400H Engine Gives "push" When Slowing Down?

[Sweden]

My RX400h (2006) engine sometimes give an extra "push" when slowing down. It feels like the gearbox gears down and gets more "powerful" around 25-20mph. It is not dramatic and I am now used to it, but my wife how drives only 1-2 times per month does not like it, as it feels like the car accelerates on own initiative for a second or two.

Anyone got similar experiences? Tips on what to do?

[maseace]

Strange. I have never felt that on mine.

[exmeaguy]

This is the normal "feature" operation of the transmission. A simple search on this subject would show it has been discussed before.

[RX400h]

I think what you're talking about is the interruption of the regenerative braking action while traversing a rough patch of road. The RX feels like it suddenly accelerates when in reality, the slowing of the vehicle due to regenerative braking cut-off, leaving the vehicle's full forward momentum to be felt by the driver. This is a bit disconcerting but very normal for our RXs. If you know there is a rough patch of road where you will be braking, apply higher than normal brake pedal pressure to compensate for the lack of regenerative braking that may occur.

[maseace]

The shift from regenerative braking to friction brakes occurs around 9 mph, but I was also thinking it might be this.