1993 cadillac deville security light fashing will not start tryed new key no luck
How do i fix this , dealer sold me new key only had one for car with new key it still flash an will not let car start tryed unlocking everything relock up, leaveing key on for 20 min. cant get to reset
Re: 1993 cadillac deville security light fashing will not...
Try disconnecting the negative battery cable for 15 min hook back up and see if it will start.it worked for me the first time but i am having the same problem with it right now and its not working and i cannot figure out what it is that i need to do.
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Usually it means the computer is not accepting the chip in your key. It can be the key, the sensor in the lock cylinder, or something in the security module or computer. You might try another key or lock and unlock the driver's door with the key.
Try setting the alarm ,and make sure the hood doors and trunk are closed,after setting the antitheft,leave it for 1 minute and disarm it,then see if it will start,if it is not the antitheft,and it is in the key fob,the cylinder you are talking about maybe the problem.
I had that same problem and it took me forever to figure out what was wrong. You are probably using an aftermarket key as was I. The stupid little plastic/metal chip in the shaft of the key is for the security system. Sometimes if you insert the key and turn too fast it sets off the security system. To solve the problem go get another key made from a different key maker, they cost around $15-20. Or, insert the key slowly and turn the ignition slowly. Or go get a good key from the dealer, I've heard it may be ~$50 for this key but it should work the best. FYI I still just use my aftermarket key and just deal with the occasional no start wait 3 min ordeal. Good luck.