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Yes. after a period of time either the chip will "forget" of the "reader" can go bad. Sometimes if you turn the key to "run" position without trying to start the car for about 2 minutes key may "reprogram" itself.
GM have the codes. these keys and codes are very very expensive to replace GM seems to think if you can afford a key with a chip, u have lots of money
your key fob can only be programed by the local gm dealer.
if it is a gm with the little resistor chip in it you could try to cleand the chip with alcohol to remove oils from skin and such
No, not any of the Saturn ION's manufactured by GM have chip keys, regardless of the model year.
according to my gm dealer it does not. The passlock system is in the ignition cylinder
i went to the gm dealership and they quoted me at $45 because of the chip on the key
you have to call any GM dealership and ask for the parts department and they will give you one for about $35-50.
I lost my remote but had a spare from anoter gm remote I paid for
go to a GM dealership i think there around 50 bucks though if u got the key with the chip in it
Key blanks are widely available for prices around $10.00, and can be cut from a good key by any locksmith or key cutting service. If your vehicle requires a transponder or passkey, they are available at GM dealers for around $50.00. They will also charge a half hour of labor to cut the key and reprogram the car's ignition to suit the new key.
Are you using a copy key, or the original, the original should have a chip in it to unlock the security, if not a chipped key, the security system will not unlock, Key will have a little black square on one side. Will neeed to have vin# and info to get code from GM to cut new key and program the chip.