Misfire detection.
The button on your dashboard
Low refrigerant charge?
No, it is not supposed to blink. You have a problem. Seek out a professional.
A low oil level can cause the oil light to blink on a 1995 Honda Prelude. A faulty sensor can also cause this.
Worn brake pads can cause the brake light to blink on the dash in a 1993 GMC Sierra 1500. This can also be caused by a faulty light.
Check to see if your gas cap is tight.
It is indicating that there is a fault with the engine of the car. You need to take it to a garage for repair/service.
A loose connection in the wiring
Computer has detected a problem with the transmission.
The same thing that causes you to blink constantly. Their eyes are dry and they are keeping them moist.
could be a problem with the sesor in the emergency brake. a bad connection there could cause the light to blink with the vibration of the car running On some cars, the brake warning light will blink if the parking brake is set, and you drive... it could be a failed parking brake switch, assuming the brake is not applied. It is supposed to blink to get your attention. One car that does this is the Mitsubishi Starion, there are probably some others, too.