When it is dark enough outside and the exterior lamp control is in the automatic position, the headlamps come on automatically. See Exterior Lamp Controls.

The vehicle has a light sensor on top of the instrument panel. Make sure it is not covered, or the headlamps will be on when they are not needed.
The system may also turn on the headlamps when driving through a parking garage or tunnel.
Lights On with Wipers
If the windshield wipers are activated in daylight with the engine on, and the
exterior lamp control is in AUTO, the headlamps, parking lamps, and other exterior
lamps come on. The transition time for the lamps coming on varies based on wiper
speed. When the wipers are not operating, these lamps turn off. Move the exterior
lamp control to
or
to disable this feature.
Daytime Running Lamps (DRL)
Hazard Warning FlashersEngine Front Cover and Oil Pump Cleaning and Inspection
Engine Front Cover Cleaning Procedure
Clean the engine front cover sealing surface.
Warning: Wear safety glasses when using compressed air in
order to prevent eye injury.
Caution: To ensure proper engine lubrication, clean clogged
or contaminated oil g ...
Speed Limit Assist (a feature of ProPILOT Assist 1.1 and 2.1)
Speed Limit Assist in the Nissan Armada is an advanced functionality integrated
within the ProPILOT Assist 1.1 and 2.1 systems. This feature works in conjunction
with the built-in map locator and Traffic Sign Recognition (TSR) system to help
drivers maintain compliance with posted speed limits ...
Sonar system limitations
WARNING
The following limitations apply to the Nissan Armada sonar system. Failure
to understand and follow these limitations may result in serious injury or even
fatal accidents.
Carefully review all limitations of the Nissan Armada sonar system. Environmental
conditions such as heavy r ...