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Security light comes on and car will not start

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We dont know about the year and model, but I'll try to show to this way...

Theft-Deterrent Systems
Vehicle theft is big business, especially in some cities.

Although your vehicle has a number of theft-deterrent features, we know that nothing we put on it can make it impossible to steal.

Content Theft-Deterrent
Your vehicle may have a content theft-deterrent alarm system.

Arming the System
With the ignition off, you can arm the system by doing any one of the following:
•Press the remote keyless entry transmitter lock button.
•Press the power door lock switch while the driver's door is open.

The system will arm after either of these things occur:
•Thirty seconds after all the doors are closed.
•Sixty seconds with any door open.

If you press the lock button on the transmitter a second time while all the doors are closed, the system will arm immediately. The system will still arm in 60 seconds if a door is open. When the open door is closed, it will also become armed.

The security light, located on the instrument panel cluster, will turn on to indicate that arming has been initiated. Once the system is armed, the security light will ?ash once every three seconds.
If the security light is ?ashing twice per second, this means that a door is open.
If you do not want to arm the system, you may lock the car with the manual lock knobs on the doors.

Disarming the System
You can disarm the system by doing any one of the following:
•Press the remote keyless entry transmitter unlock button.
•Turn the ignition on.

If the system is armed and the trunk is opened using the trunk release button on the transmitter, the system will temporarily disarm itself and re-arm when the trunk has been closed. This allows you to exit the vehicle, lock the doors using the transmitter, and open the trunk using the transmitter without having to disarm and re-arm the system.
Once the system is disarmed, the security light will stop ?ashing.

How the System Alarm is Activated
If the system is armed, it can be activated by either:
•Opening the driver's door or trunk. This will cause a ten second pre-alarm chirp followed by a thirty second full alarm of horn and lights.
•Opening any other door. This will immediately cause a full alarm of horn and lights for thirty seconds.
When an alarm event has ?nished, the system will re-arm itself automatically.

How to Turn Off the System Alarm
To turn off the system alarm, do one of the following:
•Press the lock button on the remote keyless entry transmitter. The system will then re-arm itself.
•Press the unlock button on the remote keyless entry transmitter. This will also disarm the system.
•Insert the key in the ignition and turn it on. This will also disarm the system.

How to Detect a Tamper Condition
If you hear three chirps when you press the unlock, lock, or trunk release buttons on the remote keyless transmitter, it means that the content theft security
system alarm was previously activated.

The PASS-Key® III+ system operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry Canada. This device complies with Part 15 of the FCC Rules.

Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause undesired operation. This device complies with RSS-210 of Industry Canada.

Operation is subject to the following two conditions:
1. This device may not cause interference.
2. This device must accept any interference received, including interference that may cause undesired operation of the device.

Changes or modi?cations to this system by other than an authorized service facility could void authorization to use this equipment. PASS-Key®III+ uses a radio frequency transponder in the key that matches a decoder in your vehicle.

PASS-Key® III+ Operation
Your vehicle is equipped with PASS-Key® III+ (Personalized Automotive Security System) theft-deterrent system. PASS-Key®III+ is a passive theft-deterrent system. This means you do not have to do anything special to arm or disarm the system.
It works when you insert or remove the key from the ignition.

When the PASS-Key®III+ system senses that someone is using the wrong key, it prevents the vehicle from starting. Anyone using a trial-and-error method to start the vehicle will be discouraged because of the high number of electrical key codes.
When trying to start the vehicle if the engine does not start and the security light on the instrument panel cluster comes on, the key may have a damaged transponder. Turn the ignition off and try again.

If the engine still does not start, and the key appears to be not damaged, try another ignition key. At this time, you may also want to check the fuse, seeFuses and Circuit Breakers on page 5-89. If the engine still does not start with the other key, your vehicle needs service. If your vehicle does start, the ?rst key may be faulty. See your dealer who can service the PASS-Key®III+ to have a new key made. In an emergency, contact Roadside Assistance.

It is possible for the PASS-Key® III+ decoder to "learn" the transponder value of a new or replacement key. Up to 10 keys may be programmed for the vehicle. The following procedure is for programming additional keys only. If all the currently programmed keys are lost or do not operate, you must see your dealer or a locksmith who can service PASS-Key®III+ to have keys made and programmed to the system.

See your dealer or a locksmith who can service PASS-Key®III+ to get a new key blank that is cut exactly as the ignition key that operates the system.

To program the new key do the following:
1. Verify that the new key has a+ stamped on it.
2. Insert the already programmed key in the ignition and start the engine. If the engine will not start, see your dealer for service.
3. After the engine has started, turn the key to LOCK, and remove the key.
4. Insert the key to be programmed and turn it to the RUN position within ?ve seconds of the original key being turned to the LOCK position.
5. The security light will turn off once the key has been programmed.
6. Repeat Steps 1 through 5 if additional keys are to be programmed.

If you are ever driving and the security light comes on and stays on, you may be able to restart your engine if you turn it off. Your PASS-Key®III+ system, however, is not working properly and must be serviced by your dealer. Your vehicle is not protected by the PASS-Key®III+ system at this time.

If you lose or damage your PASS-Key® III+ key, see your dealer or a locksmith who can service PASS-Key®III+ to have a new key made

I hope this helps.

Posted on Nov 11, 2010


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