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Ron T jlodoggy1@gmail.com 6:23 PM (5 hours ago) Programming a Single Key This is what I have a Jeep Liberty 2011 low miles mint with one working Key fob because the other key chip they used to hide under the dash for my electric start , so now with one working Key Has anyone proved out this procedure will work with one new cut Fob Key that’s not programmed yet .should I take a chance to do this? A handful of manufacturers will allow you to program a single key, even if you don’t have a key that works. Keep in mind that you’ll still need to have the key cut to fit the ignition, which means you’ll need to provide proof of ownership to a locksmith. That said, the process is much simpler than programming a second or third key:
Insert the key into the ignition, and turn it to the on position. Don’t turn on the engine, only the electronics.Leave the key in this position for 10 minutes and 30 seconds, and then turn it off.Turn the key back on, and wait for additional 10 minutes and 30 seconds before turning it off again.Repeat the process for a third time.Return the key to the on position, and it will program the key.Test your new key by turning on the ignition
Honestly the easiest and best way is to find a locksmith and they can program a second FOB for about $50—$90 (depending on the FOB cost.
