The S light indicates you are in the SPORT mode on the transmission. On the left side of the shifter stick you will find a small button that toggles SPORT on and off. If the button will not switch the light off and go back into normal mode you most likely have a defective TCU unit.
It is a green S that appears on the dash of a 1991 Honda Accord, not a green F. The S is an indicator light that means there is an electrical problem with the car.
there are many light bulbs on the Honda accord.. what light bulb?
Honda
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how do i read srs light blink on honda accord 2005?
Upshift, it will light up at the most efficient shift point for fuel economy.
Needs service NOW
How do you turn off the check engine light on a 2001 honda accord?
the 1989 Honda accord lxi has a brake lamp light on the dashboard, if the brake lamp light is on, this means you have a brake/tail light out or disconnected
How to replace passenger side head light bulbs in a 2000 Honda Accord?
2004 Honda Accord Brake Light Bulb Numbers - See sources and related links below.
where is the fuse box for the radio back up light on a 2004 Honda accord?