How to read the displayed lines
Nissan Altima / Nissan Altima Owners Manual / Monitor, climate, audio, phone and voice recognition systems / RearView Monitor (if so equipped) / How to read the displayed lines
Lines which indicate the vehicle clearance and distances to objects with reference to the bumper line A are displayed on the monitor.

They are indicated as reference distances to objects. The lines and colors in the display indicate distances from the back bumper line A in the illustration.
1 1.5 ft (0.5 m) red
2 3 ft (1 m) yellow
3 7 ft (2 m) green
4 10 ft (3 m) green
The vehicle clearance lines are wider than the actual clearance.
See also:
Engine oil and oil filter recommendations
...
Engine oil and oil filter recommendations
...
Alternate Command Mode command list
Phone Command:
Navigation Command:
Information Command:
Audio Command:
...
