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2000 Pontiac Grand Am GT - Page 5 Questions & Answers
Will not stop over heating
Could be mutiple things,thermostat not opening,water pump not circulating,glogged radiator,blown head gasket.Does it over heat fast?Explain what is happening, to give me a more detail look.
Starting
The security light, or lock picture/icon is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterprets this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key all the way through the system. This is why the security light turns on and shuts down your starter, and/or the vehicle after 2-5 seconds. This link explains it pretty well.
http://vatspasslockpasskeysecurityhelp.yolasite.com/
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