Press the right or left side of the switch to select the right or left mirror and then use the control knob to adjust it.
CAREFULLY!
- You should check the position of all mirrors before you start driving. Adjusting mirrors while driving distracts the driver from the road.
- It is important to remember that objects visible in the side mirrors appear further away than they actually are.
(The source of the article is on the website: nissanbook)