The programming method depends on how many working keys you currently have. Go to product viewer dialog for this item. 2003 Jeep Liberty transponder key blank
These contain a hidden chip that must be programmed to start the engine. Replacement Key For 2003 Jeep Liberty
Aftermarket transponder blanks can be found online for $13–$40 at retailers like Car & Truck Remotes . The programming method depends on how many working
Typically $155–$250 , plus potential towing costs if all keys are lost. Replacement Key For 2003 Jeep Liberty