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Chrysler 300 key fob battery replacement

How do you open the key fob? And then get the battery

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

baccardo
  • 150 Answers

SOURCE: Programming a key fob

you will need the dealership diagnostic tool to program the remote

Posted on Apr 24, 2009

  • 166 Answers

SOURCE: key fob lights up but doesn't work even with a new battery

I'm more familiar with Range Rovers and Saab's when it comes to key fobs but if you changed the battery you have to re-program the key fob. If you do not have an owner's manual that can take you through the steps you might want to try: push and hold the lock button on the key fob, put it in the driver's side door and turn to lock. With the button still depressed turn back to open, remove the key and release the button. If this doesn't work check any and all fuses associated with your system and last but not least you could take it to a dealer. Good luck!

Posted on Aug 25, 2009

Testimonial: "thanks ill try what you've suggested"

  • 1608 Answers

SOURCE: how to open key fob to replace battery for 2005

There is usually a slot between the 2 halves that you can fit a coin in and pry it apart.Some had a small screw holding it but I`m sure you would have seen it.Hope this helps.Good luck.

Posted on Feb 04, 2010

Testimonial: "thanks as u suggest i found the slot and had it open. much thanks"

  • 1 Answer

SOURCE: car key fob not working and locking car

i have a rover 25 and the key fob is not opening the car i could use the key to open it but the alarm will go off and cant stop it without the fob...

Posted on Apr 11, 2010

roniecon
  • 6826 Answers

SOURCE: how do you re-link the key fob to the car after

Try this,,turn the key on ,wait 10 minutes,then turn the key off,then right back on,do this three times,a total of 30 minutes,this should reset the key fob,if this is the problem.

Posted on Apr 17, 2010

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1 Answer

How can I tempararily bypass my chrysler 300 key fob?


try a new battery in the fob
if the fob is lost have to tow to chrysler service division

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if it happens to be one with a chipped key that is where I would start replacing it

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go to a dealer and reset your key in the motor management and it wil work again

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The key fob doesn't always work. What could be the problem.


It could be a weak battery or the fob is going bad it could also be a bad wcm in the car not receiving the signal it can be tested with an rf signal detector to determine if the fob is put a signal out when the failure happens but most likely cause is a battery or faulty fob

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Put key ignition press unlock or lock 2 times then turn key to accessory position within 30 seconds. Your FOB should work properly.

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Both key fobs with new batteries dont respond. I set the alarm off when i manualy open the door and alarm wont allow me to start car for more than two seconds. What do i do??


The question is .... Did you get the keys wet? I know you won't want to hear this but if you replaced the batteries and they are still not responding then either the batteries are dead from new or you will need to replace the key(s) through your chrysler dealer ( very expensive). I also had a similar problem with my 08 Avenger where I replaced the battery on my key and it would unlock the doors/turn off alarm but when I started the car it would only run for a minute then shut off. Luckily I had the second key that was operational so I could make it down to have my key replaced that was bad. Hope this helps.

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1 Answer

I changed the battery in the alarm key and now it doesnt work at all. what did i do wrong?


Vehicle key fobs work on a continuosly and randomly changing frequency so that no ones key fob should open anyone elses cars. Whenever you press the buttons, or someone unlocks your doors, the frequency is changed. The fob and computer in the car have a few codes stored so that if you press the button too many times out of range of the car it will still know what frequency should be transmitting. However if your battery dies, or you press the button too many times while out of range, you Fob and computer will be out of sync.

Long story short you may need to have your Fob re-programmed. You may fine this info in your owners manual, but will probably have to go to the dealer.

The other issue it could be is something i have heard of a few times for the chrysler FOBs, the solder in the fob that holds the connection for the battery may have broken, which will mean your battery is not connected right. You may want to consider popping it apart and taking a look to see if the solder is cracked at all.

Dec 13, 2010 | 2006 Chrysler 300

1 Answer

Remote key will not work to open doors or trunk, i have a new battery and it still wont open please help


have your fob reset to the vehicle, if you look hard enough you can prob. find the reset process online and do it yourself. Also you prob. have a keyless entry fuse, check and replace if bad.

Aug 19, 2010 | 2006 Chrysler 300

1 Answer

I have a 2007 Chrysler pacifica the remote only opens the driver door. How do I get it to open all the side doors


Hi I am Vortash it is possibly a low battery in the key fob and you may need to go to a dealer to get it replaced ?.. however it sounds a little more like the fault may be in the reciever rathere than the key fob as it is not actuating all the doors .. hope this helps regards Vortash

Jul 13, 2009 | 2007 Chrysler Pacifica FWD New Cars

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