To change the high beam indicator you have to take the instrument cluster out of the dash.
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It is generally a small blue light that illuminates in the dash cluster notifying you that your high beam headlights are on.
Yes....every car since at least the 50's and 60's have a high beam indicator.
The reason a high beam indicator light might remain on in the dash of a 2005 Nissan Sentra might be a short in the wiring for the high beam headlights. It could also mean a short in the wiring of the steering wheel where the high beam switch is located.
possibley blown high beam light
The blue light is the high-beam indicator. The only reason I can think of that it would be flashing is the headlight relay isn't latching into the high-beam position.
the high beam indicator is only on when the high beams are on
High beam indicator.
If you're talking about the green head light indicator to the upper left of your speedometer on your dash, that's the daytime running light indicator (DRL). The high beam indicator is a blue indicator and is inside the speedometer arc. A lot of people confuse these two indicators. The daytime running lights may be disabled by preferably removing the DRL fuse in the fuse box in the driver's door jamb or engaging the parking break.
A beam of light is simply referred to as light or a light beam.
Replace the relay from under the hood. In the fuse/relay box near the battery