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Chrysler Crossfire:
Anti Theft Alarm


Useful information about Chrysler Crossfire and how to repair it

This is an information page collection of what I have found and what I have repaired on my Crossfire.

Note:
You use this information on your own risk! Don't blame me if something goes wrong.


Anti theft alarm:

My plan today was to do some work on my car, but ...

Chrysler Crossfire and snow

Welcome to Sweden!

I did some research on internet instead. I found that in Europe the remote controlled anti theft alarms are transmitting in the 400 MHz radio band, this car is imported from US and they use the 300 MHz radio band. So what I understand they have replaced the original transmitters in the keys with the two extra I have to get it certified for Europe. Then I shouldn't change anything, and when I replaced the battery in the second remote control it started working directly.

Update:
This winter I took the battery indoors and let the battery be on maintenance charge. However when the car is without the battery all electronic devices will be reset, included the car alarm, so the remote keys must be setup again. When reading in the manual for the car how this has to be done I didn't thought it will work, because the car alarm was replaced by a generic alarm (I thought). But I gave it a try and to my surprise the setup procedure worked. Now I must rethink what earlier owners have done. The alarm must still be the original, only that they have replaced the the keys original remote function with new separate remote controllers.

This is the setup procedure:

  1. Get inside the car.
  2. Turn the ignition key to the position 2 (before crank the engine).
  3. Look doors, luggage and hood by the button on the dash panel, not remote controller!
  4. Push the lock button on remote controller, in my case the turn signal indicator flash when correct done.
  5. Take out the key and after that open the locks by remote controller.
  6. Repeat this procedure if you have more then one key.

If you for some reason want to reset the old setup I think it's most easiest to disconnect the car battery for five minutes.

I'm very happy to know that the original alarm is still operating in the car. If I can repair the original keys remote transmitter there is no need to have this extra remote controllers with me.

Some radio / CD players have a protection code you must enter after disconnected the battery, the radio in my car was not of that construction luckily because I didn't have any code for it.

Chrysler Crossire keys replacement shells

When I bought the car I ordered these replacement shells for the keys. Later I shall do this work and take the old keys apart and install the new shells. It will look great!

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