If you have an 1998 or newer Jeep with a transponder key with an imbedded computer chip you should seriously consider getting a third key made.
With two working transponder keys you can get additional keys for just the cost of the key and cutting and program the key yourself.
I bought a Jeep OEM key on e-Bay for $11.99 + $2.50 for a local locksmith to cut it as opposed to the $99 Jake Sweeney Jeep in Cincinnati wanted for a programmed key.
- Self-Programming additional Sentry Keys (requires TWO original keys) "A" through "G" below is a quick summary of the steps that are required for programming. Following this list, "1" through "6" takes you through the same process in greater detail.
Quick Steps:
A. Purchase a blank key and have it cut B. Insert original key #1 into ignition and turn to On C. Wait 5 seconds and turn key to off D. Immediately insert original key # 2 into ignition and turn to on E. Wait 10 seconds for SKIS indicator in dash starts to flash F. Turn ignition off, insert new blank key and turn ignition back on G. Once SKIS light stops flashing and turns off, your new key is programmed