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Re: 2005 chevy cobalt lt fob programming
Unfortunatly, that is usually a programming code that the dealer does not let out. that is one of there easy money makers. it cost me $180 at nissan to get mine done, because no one could help me there.
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You may have accidentally broke the controller. They are fragile. The newer cars like yours automatically set the alarm when the doors are locked from keychain remote, or locking manually. New remote, $50-100.
The 2003 Sonata is equipped with a 'starter KILL' burglar alarm system with disables the starting system (using a N/C 'contacts' configuration instead of a N/O contacts configuration). N/C=Normally closed, and N/O=Normally open contacts. When the alarm goes off with a MY Sonata, the only way to DISARM it is with the key fob (remote) originally programmed for it (unless you purchase a new remote & have it programmed for the vehicle at an authorized Hyundai Service Department). NOTE: So long as the keyless entry & burglar alarm system is functioning/operating normally, the alarm will keep going off and the STARTER KILL function will still prevent you from starting the vehicle. One option is left without purchasing a new remote and having it programmed. 1. When the alarm goes off, get into the vehicle and insert the ignition key into the ignition. 2. Turn the key to the 'RUN' position (NOT the ACC position) and wait for the alarm to STOP (usually about 3 to 5 minutes). 3. The engine should then start using the ignition key.
If this procedure doesn't work, the problem will need further diagnosis by a qualified/certified Hyundai Service Technician.
Unfortunately I believe that will require a trip to the dealer, and a hefty price tag to go with it. Most dealers refuse to let anyone else handle their security systems. And most keys have the alarm keypad built in making it even more dealer specific. I wish I could give better news.
key fobs have to be the same gm id number on back of fob and need to be programmed for your car by the dealer. its expensive . i had to have it done on my car. other fob i had could not be programmed to work, wrong gm id number
Lock all the doors from the inside (with all the doors closed), unlock your driver's door by manually lifting the lock, then press it back down after you are out - this will prevent the alarm from sounding when you use the key to unlock the door.