See also:

Making adjustments in 5 mph (Canada:

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

Setting the center air vents
1 Fixed center air vent 2 Center air vent, right 3 Center vent thumbwheel, right 4 Center vent thumbwheel, left 5 Center air vent, left To open/close: turn thumbwheels 3 and 4 up or ...

Cleaning the display
  Before cleaning the display, make sure that it is switched off and has cooled down.   Clean the display surface using a commercially-available microfiber cloth and TFT/LCD display c ...