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Car Keys How can I change the battery in my key fob

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You have to pry out " pop out " the lid that is underneath the vw emblem, if you turn your key you will see how it's divided so you only need to open the bottom part of it, not where the emblem is located but the part where there is nothing in it.

Posted on Jun 12, 2008


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Posted on Jan 02, 2017


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2 Answers

How do you syncronize the ford courier key with the car for central locking

Hello Madonna Goulding

I'd would need to have the year of your FORD to be
sure on telling you how to proceed... but a battery change
should not affect the existing coding.

It sounds as though you are mixing your question about
KEYLESS entry (FOB)... and your

For security purposes...
BOTH of your original keys must be present...

You can... and SHOULD have more than two keys
but you can NOT have LESS THAN two keys to
do any PROGRAMMING, ADDITIONS or modifications.

(FOBS or KEYs)...
YES... YOU DO HAVE A "FOB"... but yours is added to your KEY-TOP... treat it the same (I believe your manual refers to it as a keyless "REMOTE"
(attached key notwithstanding).

THIS is the design INTENT... to prevent
valets, garages... or ANY UNAUTHORIZED person from

The cloning process is in your OWNES MANUAL.

If you do not have TWO KEYS you MUST go to a

Dec 08, 2016 | Ford Cars & Trucks

1 Answer

Driver side door dosent open all the time using the key fob.

car came new with 2 fobs
lost the other one,,,??????
battery dead.
fob switch, dirty, clean it , google how,no lack of facts there.
why not use other fob.
if you lost your last fob.
is $350 a good thing for a refit.

if car runs you can get a new fob at any locksmith in my town
drive in, say,, , hey,mista this fob funky.
if car his SKIM (IMMO) and you loose fob, car will be useless.
with one fob.
read this operators guide for new fobs
some you can make, mine takes 3 good ones.

page 15
to wit
Customer Key Programming
You can program new keys to the system if you have two
valid keys by doing the following:

1. Cut the additional Sentry Key Transponder blank(s) to
match the ignition switch lock cylinder key code.

so for this car always have 2 keys,make 1 more
and can make up to 8 total keys.

2 day one and 6 more by you, for life of car
or my key shop can reset all mine to zero keys
and reprogram from 0.
and i just did on my WK jeep.

Jan 31, 2016 | 2006 Jeep Grand Cherokee

1 Answer

I have a 2007 ES 350. Changed key fob battery,now nothing works. Only immobilizer security light is flashing and engine start stop button has amber colored light on

Be sure to use the correct battery, properly in place, clean the key contacts , See owner's manual for additional information.
There are specialized locksmiths for car keys

Oct 02, 2014 | 2007 Lexus ES 350

1 Answer

Key fob intermttant

Hi. Is this with both keys? If so then I suspect there is an issue with the immobilser. I suggest a trip to the agents.

Mar 22, 2014 | 2009 Volkswagen CC

1 Answer

Immobilizer not disarming

lost both FOBS?
be happy, mine i must keep 3 working.... or cant make my own.
rule 1, never have 1 fob. or get stranded, , you will.....
so does other fob work?

1: check all fuses. both boxes
2: use only the key fob, no other keys on ring, for the test.
3: use the 2nd fob same way , now. with other key far away.
4: make sure battery voltage is 12.6vdc, 10.7v the IMMO goes belly up. (any $10 voltmeter , works)

5: have only 1 fob (transponder-key) near the ignition.
6: do not have other keys near Ignition switch. even just plain keys.
watch out, some after market keys are transponsers but look plain.
I have one for my car. button less fob. very trim, but is transponder key.
7: for sure not other transonder keys from other "cars or anything"

The Lamp means, your transponder key is dead. or scrambled.
buy a new battery for fob. the operator guide tells you what to do.
lost that?
on mine i put in a fresh coin cell and bam, it works.

on newer jeeps, if the IMMO thinks your are hacking the system.
it bricks the IMMO for 24hours, sucks huh?
for example, using a key from another car , in some odd way.
or doing same and battery is weak or remove from under hood.
it thinks its being attacked,, and goes stupid for 24hrs.
i dont think yours has this, , but mine does.

Jan 22, 2014 | 1996 Jeep Grand Cherokee

1 Answer

I changed my battery in my 2005 cadillac sts, and now it is showing that the starter is locked. fob locks and unlocks the car, but i can't get car to start. what do i do?

you can try this, with the battery connected lock the car using the key fob, make sure no keys are in the ignition. Disconnect the battery again and let it sit for 30 min or so, reconnect the battery and using the key fob unlock the car, it should start, if not repeat the procedure and insert the key into the door lock to unlock the car, both of these solutions should reset the security system. Good luck.

Sep 09, 2012 | 2005 Cadillac STS

1 Answer

Stolen keys-no key fob-last locked with fob-need alarm RIPPED out-HELP

Try disconnecting the battery and then try again.

Jul 06, 2012 | Cars & Trucks

2 Answers

I have 2 keys for my ford edge. one will not start the vehicle

my brother had this problem with a different car a few years ago. He contacted the manufacturers and they told him that there are two keys and only one will start the car, something about only one key having a microchip iside? i dunno, maybe its the same with yours.

Apr 15, 2012 | 2007 Ford Edge SEL Plus

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