The same thing that causes you to blink constantly. Their eyes are dry and they are keeping them moist.
This is because they have to blink. They blink because they constantly reemove obstructions.
bad soder causes lose connection, as such will blink from time to time - a common problem with the early model grand prix
It will blink until the waterbed is upto the temperature that it is set at.
Cats and dogs blink with both eyes, though sometimes if they wanted to for any reason they can blink with one eye only and leave the other eye open, which is called a wink.
Yes they blink around 25 times a min.
Misfire detection.
your eyes get dry mostly so it causes you to blink.
The eye needs to be wet thus making the eyelid to blink to put more fluids for it to work well.
If the MIL blinks at the moment the engine bucks, them its a cold stall, were the engine is about to turn off, if the light is blinking on its own, is impossible, MIL are constantly on, because its a emission related code.
Low refrigerant charge?
The button on your dashboard
Of course! I have three dogs and they blink all the time! It may take a while, but they do it, just like us.