It is downshifting to 4th as mentioned above.
You can double check by pushing the shifter briefly to the right (shiftronic mode) and read which gear it's in on the dashboard.
I often leave the car in shitronic mode so it doesn't downshift to 4th with the cruise control.
You can double check by pushing the shifter briefly to the right (shiftronic mode) and read which gear it's in on the dashboard.
I often leave the car in shitronic mode so it doesn't downshift to 4th with the cruise control.
