Question about 1995 Buick LeSabre

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My security light in my car is on what does that mean?

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There is a problem with the theft system. This is the system that pervents the car from starting if the ignition lock cylinder is damaged when someone trys to steal the car.
You can try and do a relearn, it may let the car start after this relearn. The most common cause for this concern is the ignition lock cylinder, it has a computer sensor inside that goes bad, you have to replace the cylinder and program it.
To reprogram/relearn, put on the parking brake(this will keep the headlights from comming on and draining the battery), try to start the car, leave the key in the "on" position. The security light should no be flashing. Wait for tem mins, the light should turn off. At this time, turn the key off for 2 seconds and try to restart. At this point, the car may start, if not let the key stay in the "on" position again for tem mins untill the light turns off. Again turn the key off and try to start the car. It may take 3 times for the system to relearn, if you try 3 times and still no start, you will have to replace the ignition lock cylinder.

Posted on Jun 04, 2010

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