master key programming,need help

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11-07-12, 01:55 AM

#16

credle89

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i try this but it only program my second master key to unlock and lock and trunk open but not start the car like my first master key

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09-03-13, 01:42 PM

#17

shurian

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Try this instructions

http://www.remotesremotes.com/1999-L...ker-s/4407.htm

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09-09-13, 04:18 AM

#18

credle89

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Quote:

Originally Posted by shurian

Try this instructions

http://www.remotesremotes.com/1999-L...ker-s/4407.htm

Thanks I will try this and get back to you

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04-22-14, 10:55 AM

#19

inffc

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Hi Please Help!!

I tried both way several times but still can't program the key. I just can't make the car into programming mode. One of my rear door actuator is broken, will that be the reason that I can't program?
Thanks

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03-21-15, 08:06 PM

#20

cali99300

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Quote:

Originally Posted by AMSMIKE

Great info. Thanks. This is certainly different than what I have seen posted in other threads.

One question. If I need to program 2 master keys, do I do the whole procedure for each key?

Mike, Thank you. Your instructions worked. It took two tries because I did the lock/unlock a bit too fast I believe. I would add one thing to step 3. I held both my original key and one new key at chest level simultaneously. I did the whole process again to program the second remote.

For key programming check out this thread:

https://www.clublexus.com/forums/gs-...999-gs300.html

Last edited by cali99300; 03-21-15 at 09:50 PM. Reason: found solution to key programming problem on another thread