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Supposedly there are bypass modules....some are so that the remote start systems can function with the security system in the car....others are just strictly to bypass the security system intirely. I have seen some websites that sell these modules such as Ebay but there are some more specific car sites that sell them too. I have read a few things on this recently and it looks as though GM has used the Passkey I, II and III systems. The year, make and model of the car depends on what system was used and what type of bypass you will need.

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Q: Can the theft deterrent system on GM cars be by-passed?
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What is loctronics?

An anti theft device for cars. It disconnects your ignition with a keychain. Without the keychain in, you can't start the car at all.


How does GM passkey III work?

according to ehow.com there is a resistor built into the key and if the value of the resistor in combination with the other ones in your ignition do not match what is stored in your cars database the system will reject the key. Passkey III is not resistor-based. There is a rfid (radio-frequency id) chip in the black plastic head of the key. When the key is turned to start, the exciter coils in the lock cylinder housing fire the id chip in the key, the theft-deterrent module reads the rf signal and sends a password to the PCM - if the key is recognised the PCM turns the starter and/or fuel pump on and the car starts. If the key is unrecognised or the ignition cylinder is turned without a key inserted (no rfid communication to theft deterrnet module) the PCM disables the starter and/or fuel pump.


Would removing a car door keep the car from starting?

nooit depends on the make & model, some newer cars have anti theft on doors.


What is automatic car parking system?

I'm not sure what it is called but some cars have a computerized system that will parallel park your car without you touching the steering wheel. It may only be in the developmental phase and not actually installed on any cars, yet.


How to reset securiLock anti-theft system?

Turn the key into the off position, then turn all the way on with out turning the motor over and let it sit like that for 10 min without touching it. This will reset the anti theft program in the cars computer. After 10 min turn the key to the off position and then try to start the car. It works everytime in this situation. Cars come into my shop all the time for this same issue and other shops stick it to people that are not aware of this common GM defect. I hope this helps and saves you from being ripped of by greedy shops. my car is a Pontiac Aztec 03 and when i shut off the ignition the key stay locked inside the switch where the key goes in, after all that the car turns off automatically and the alarm wont work nor anything inside my car,what should i do so this wont ever happen again?

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