NISSAN 2013 LEAF - Navigation System Owner's Manual - Manual (Page 226)

9-10 Monitor system (if so equipped)
How to adjust Around View screen
1. Push the MENU button with the Around
View Monitor on.
2. Touch [Display].
3. Touch the preferred setting items.
Available setting items:
. Brightness
. Tint
. Color
. Contrast
.
Black Level
Do not adjust the Around View Monitor screen
while the vehicle is moving.