High beam indicator light (blue)
Nissan Altima / Nissan Altima Owners Manual / Instruments and controls / Warning/indicator lights and audible reminders / Indicator lights / High beam indicator light
(blue)

This blue light comes on when the headlight high beams are on and goes out when the low beams are selected.
The high beam indicator light also comes on when the passing signal is activated.
See also:
Brakes
If the brakes do not operate properly, have the
brakes checked by a NISSAN dealer. ...
Heated seats (if so equipped)
Do not use or allow occupants to use
the seat heater if you or the occupants
cannot monitor elevated seat temperatures
or have an inability to feel pain in
those body parts in contact with ...
Operating tips
Clear snow and ice from the wiper blades
and air inlet in front of the windshield. This
improves heater operation. ...
