Spare key and fob use - Page 2 - 2017+ Chrysler Pacifica Minivan Forums
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post #11 of 17 (permalink) Old 04-01-2019, 08:52 AM
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I'm pretty sure that if you remove the batteries, you don't even need to wrap the fob in foil (or an RFID blocking bag).

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post #12 of 17 (permalink) Old 04-01-2019, 07:55 PM Thread Starter
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Tried Aluminum foil

The foil (wrapping the key in foil) did work to a point.
The car would not start with it in my pocket or in the back seat.
I did however start with the key just sitting on the console.

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post #13 of 17 (permalink) Old 04-18-2019, 10:16 AM Thread Starter
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Faraday Key Bag v Foil for spare Key fob use, just in case.

So I got my Faraday Key bag (about $2 on ebay or others) works better than foil (3 wraps) for sure.
The foil if put not about 1 foot away or so will still start the car.
The Faraday bag works even if put right near the push button.
So my opinion, cut a spare key ($3-5) hide it somewhere outside the car, then use that to open the driver door. Use your hidden spare key fob (battery installed) in a Faraday bag and use that once inside the car.
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post #14 of 17 (permalink) Old 04-21-2019, 02:46 PM
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If U caní wait to buy a bag,several wraps of aluminum foil does the trick.
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post #15 of 17 (permalink) Old 04-22-2019, 01:24 AM
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Originally Posted by PacDave View Post
Simply wrapping the key fob in aluminum foil works too and you probably already have that in your kitchen.
That's what I have done as well. Aluminum foil does a great job assuming you're not always having to wrap and unwrap it every time you get in the car.

Also just so you're aware, the manual key will not turn off the alarm so the van will be honking away as your locating and unwrapping your fob to turn it off.

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post #16 of 17 (permalink) Old 04-22-2019, 09:36 AM
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Originally Posted by MLambert View Post
I'm pretty sure that if you remove the batteries, you don't even need to wrap the fob in foil (or an RFID blocking bag).
Removing the batteries will and will not work. By removing the batteries you will lose keyless entry (buttons wont work), passive entry (wont unlock with the key in your pocket and touching the handle) and push button start (key in your pocket and pushing the start button). However, if you are in the car, you can physically push the start button with the FOB to start the car.

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post #17 of 17 (permalink) Old 04-22-2019, 10:26 AM
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Originally Posted by [email protected] View Post
So I got my Faraday Key bag (about $2 on ebay or others) works better than foil (3 wraps) for sure.
The foil if put not about 1 foot away or so will still start the car.
The Faraday bag works even if put right near the push button.
So my opinion, cut a spare key ($3-5) hide it somewhere outside the car, then use that to open the driver door. Use your hidden spare key fob (battery installed) in a Faraday bag and use that once inside the car.
Instead of going through the trouble to get another key cut you can remove the metal manual key from the key fob you're going to leave in the car and leave that in your hide-a-key outside, then just leave the fob itself inside in your bag.

Find hide a key, unlock door manually and open door.

Hopefully the car alarm goes off.

Find the fob hidden inside, remove from bag. Disarm alarm and drive away.

Even if the battery in the fob dies over time the dead fob should still start the van by pushing it against the start button.

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