Rearview mirror (if so equipped)
Nissan Altima / Nissan Altima Owners Manual / Pre-driving checks and adjustments / Mirrors / Rearview mirror (if so equipped)

The night position 1 reduces glare from the headlights of vehicles behind you at night.
Use the day position 2 when driving in daylight hours.
WARNING
Use the night position only when necessary, because it reduces rear view clarity.
See also:
Brake warning light
or
This light functions for both the parking brake and
the foot brake systems.
Parking brake indicator
When the ignition switch is placed in the ON
position, the light comes on when the parking
...
Trailer brakes
If your trailer is equipped with a braking system,
make sure it conforms to federal and/or local
regulations and that it is properly installed.
Never connect a trailer brake system
directly ...
