GX - 1st Gen (2004-2009) Discussion topics related to the 2003 -2009 GX470 models

03 GX470 Key Works but not Remote Lock

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Old 09-01-08, 07:23 PM
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jaydubya
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Default 03 GX470 Key Works but not Remote Lock

I open the key up and saw a battery. Can I simply replace the battery? Is there any reprogramming that would need to be done.

FWIW, the key still works manually, just the remote lock and unlock does not work.
Old 09-08-08, 10:19 AM
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Johnny Mo
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Default Key/Battery

You should be able to swap out for a new battery with no problems or need for re-programming..
Old 09-08-08, 10:19 AM
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I6turbo
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Originally Posted by jaydubya
I open the key up and saw a battery. Can I simply replace the battery? Is there any reprogramming that would need to be done.

FWIW, the key still works manually, just the remote lock and unlock does not work.
If the battery charge drops too low for the remote to function you can replace the battery and the remote will work without any reprogramming, etc. Of course if there are other problems preventing your remote lock/unlock from working then replacing the battery won't fix them.
Old 09-08-08, 12:41 PM
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BurgBoxstr
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Drop in a new battery and you'll be all set. I just changed mine out a few weeks ago w/o andy problems or reprogramming.
Old 09-14-08, 03:39 PM
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jaydubya
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Default Thanks all

Put new battery in the key and it works great!
Old 09-15-08, 07:26 AM
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BRIAN1172
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i would recommend going to a reputable battery dealer or the Lexus dealer we have had a few customers go to places like walmart and not work due to faulty battery or wrong one.
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