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No, the red brake warning light will come on.
The alternator needs attention or replace
If you mean that you have a warning light on, then once the problem that is causing the airbag warning light to come on is diagnosed and fixed, the light will reset itself.
The electronic engine warning light can come on if there is a serious engine problem. It may also come on in error, for example, if the gas cap is loose.
My light comes on when I have about 3 gal. of fuel left.
Faulty ABS unit .
The engine warning light for emissions might come on in a Toyota Celica if the Oxygen Sensors are bad. It might also come on if the catalytic converter is not working properly or is plugged.
Its a warning showing the airbags are at risk of deploying. The light is on because the computer has detected a malfunction.
The warning light will not come on because you have a separate oil gauge on the Ford Focus. This is the gauge that you should watch and it will show you that you are low on oil; do not rely on the check engine light to alert you of it.
You have a tail light burnt out.
I have a warning light come on which is a circle with an excaimation point inside. What does it mean?
Depends on which engine warning light you are referring to. If you are referring to the Check Engine light then have the problem repaired that caused it to come on in the first place. They will reset the light. Resetting the light without repairing the problem and it will just come back on.