See also:

Setting DSR
With the DSR speed function, you can set the speed of DSR (the speed for driving downhill) to a value between 3 mph (Canada: 4 km/h) and 10 mph (Canada: 18 km/h). The adjustments are made in 1-mp ...

Making adjustments in 1 mph (Canada:

1 km/h) increments
Briefly press the cruise control lever to the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Adjusting the backrest angle (2nd rowof seats)
WARNING   The seat belt only offers its intended protection when the seat backrest is in a nearly vertical position and the occupant is sitting upright. The seat backrest and seat belt ...