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.
yes
No
i lost the ignition key anl keyless remote on my for f150 2004 truck
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.
You leave the stolen car at the police impound lot!
without it the security lite will start blinking fast and the motor will only spin over but not crank
YesYes
I just made a duplicate security chipped key for my F150 at ACE Hardware (Home Depot didn't have the security keys). Total cost w/ tax was just over 75 dollars.