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'08 Optima EX I4, '11 Sorento EX V6 AWD
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Discussion Starter #1
I couldn't find this addressed in detail in the owner's manual. If the smart key battery is dead, obviously you can enter the car with the key slot in the door handle, but how does it work when you put the key fob in the console holder? Is it like an RFID tag, where the car can communicate with the key fob even though the battery is dead?
 

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White 2012 SX AWD
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It is in the manual. I think there's also a post describing it here...somewhere.

There's a slot in the center console between front seats. List the cover and you should see it near the front of the storage space. You place the key in there to power it.

Haven't tried it or needed to try it yet.

Let us know if it worked or any issues/tips.
 

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1995 Procharged Mustang Cobra -- 2006 Grand Cheorkee limted Hemi.
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It is in the manual. I think there's also a post describing it here...somewhere.

There's a slot in the center console between front seats. List the cover and you should see it near the front of the storage space. You place the key in there to power it.

Haven't tried it or needed to try it yet.

Let us know if it worked or any issues/tips.

It's not the key that goes in the little slot, it's the transmitter that goes there.
 

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'08 Optima EX I4, '11 Sorento EX V6 AWD
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Discussion Starter #4
Yes, I am aware of the compartment in the center console which receives the transmitter. However, when the transmitter battery is dead, how does the car know that you placed the transmitter in the holder?
 

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1995 Procharged Mustang Cobra -- 2006 Grand Cheorkee limted Hemi.
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It's an electrical connection when you put it in the slot. Try it.
 

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2013 Sorento, Suzuki V-Strom
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Battery replacement:

I think the removable key can be used to pry the case open. Buy the battery locally (no point bothering with mail order), and the vid says use a common #2032 battery.
 

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I assume that the immobilizer circuit in your key fob is powered via inductance. There are no exposed terminals on the key fob so there's no direct data communication. I assume the key fob will then operate as normal.

I also assume that this slot will not recharge your fob battery.
 

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1995 Procharged Mustang Cobra -- 2006 Grand Cheorkee limted Hemi.
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No, it will NOT recharge your battery.
 

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2012 Sorento EX V6
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The fob will start the car if the battery is dead. Insert in slot in console, press till it clicks. To remove it, PUSH down till it clicks and releases. I wanted to carry my extra fob in the car in case I lost mine on vacation etc. If a fob is left in the car, you can't lock it. I put a piece of plastic wrap inside to disable the battery and have the fob hidden in the car. If I lose my fob, I will just remove the plastic and be on my way. (To the bank to finance the cost of the new fob!):lol:
 

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Cerato S Hatch Auto
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The fob will start the car if the battery is dead. Insert in slot in console, press till it clicks. To remove it, PUSH down till it clicks and releases. If a fob is left in the car, you can't lock it.
That sounds as though it's a purely mechanical operation of a switch rather than a smart connection.

I'm a bit wary of technology that is trumpeted as "smart". I have too much experience of computer stuff that is described as smart (anyone remember a software offering called SmartSuite?). Same category as people who are "savvy"; I can only assume they have an unnatural attraction to saveloys.:eek:
 

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2012 Kia Sorento SX, 2003 Honda S2000
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The method to hold it in place is "purely mechanical"... but verifying that it is a valid key for the automobile is not. You can try pressing down on it with your finger, your car won't start.
 
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