I believe it has what's called passkey 3. There is a transponder embedded in the key head. There is an exciter ring / theft deterrent module mounted around the lock cylinder. When key is inserted, transponder emits proper code to exciter ring which in turn sends a class 2 serial data message to the powertrain control module to allow fuel and ignition operation.
yes
you can copy any key, but, if the key has a "chip" in it you will have to take it to the dealer to get a copy made. I drive a 2004 F-150 and it has a chip in it.
YES
No it does not if it is a s10 blazer
No. So you can easily get a copy of it.
Yes every F-150 since 1999 has a transponder "chip" in the key. You can get replacements or extras from a locksmith or your local dealer.
YesYes
call your local Chevy dealer. they may be able to get you a new key with the vin. no.,or if you have the key tags your dealer can get you a new key.
If the key has a thin black head, no. If Gray or brown, yes. If it has the built in remote, yes.
A 3/8 Allen key.
how do i repace the headlight sencor in the dash of a 2004 silverado
No it does not have a chip in the key. www.keylessride.com