If you are referring to the problem of te LED on the phone blinking dirrong a message or alert then you are in luck because it is a quik fix. I had the same problem and I had just felt with it until I stumbled upon the sulution. You simply go into settings then general than accesabilty then go down to LED during alerts and your problem will be fixed :)
It is blinking by a lamp first turning on, then turning off, then turning on, then turning off...
When the overdrive off light is blinking that means a malfunction has been detected
Yes, the blinking securtity light will blink when the car is off.
If the check engine light is blinking that means an engine cylinder misfire has been detected
Not enough information regarding why the car won't start but as to he security light; it's always blinking when the engine is off.
The monitor light keeps on blinking for some time after switching off to indicate immediate loss of input signal. When the computer is switched on, the LED stops blinking and changes to green, indicating good signal reception.
Hit it. Hard
Could be alarm...
When the O/D off light blinks that is indicating that a malfunction has been detected - get it checked out
The alarm
You have a problem with the transmission. Seek professional help.
on my silverado it was the top mount pulley wheel for the cerpintine belt, it had some how vibrated loose. i tightened it up and the battery blinking on and off went away.