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Old 03-28-08, 06:46 PM   #1
is350power
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Default lexus is 250/350 smart keys

just wondering if anyone here have changed there smart key battery. yet?
if so did you guys have to get the smart key to the dealer for them to program the smart key ,,,again??
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Old 03-28-08, 06:53 PM   #2
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yeah u need to take the new key to the dealer to have it programmed to your car.
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Old 03-28-08, 07:20 PM   #3
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edit: oops.....

you should be able to use it after you put in the new batt......

Last edited by kickin8; 03-29-08 at 10:39 AM.
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Old 03-28-08, 08:08 PM   #4
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Huh?!?!? You don't need to reprogram anything after changing the key fob battery.
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Old 03-29-08, 06:41 AM   #5
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i was told the battery lasts a long time?
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Old 03-29-08, 08:16 AM   #6
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I change my batteries in my vehicles key fobs every two years and never had to have them reprogramed.
Changed the IS batteries a few weeks ago.
I usually buy hard to find number batteries on Ebay.
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Old 03-29-08, 08:55 AM   #7
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Quote:
Originally Posted by Bichon View Post
Huh?!?!? You don't need to reprogram anything after changing the key fob battery.
You're right, but if the battery is removed for an extended period of time, or it remains dead for a while it will have to be re-programmed. I'm not sure what that time is, though. I think the owners manual explains it.
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Old 03-29-08, 10:33 AM   #8
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The FOB batteries are only about $3 a piece. They are the "CR" type and need no reprogramming. You will be fine.
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Old 03-29-08, 10:58 AM   #9
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I think next time i order from sewell i will stock up on some batterys and store them in the car. I got a quick question:


When the fob dies, i know you have to use the metal key to get into the car but i cant turn the metal key in the hole under the door. ANY special trick?
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Old 03-29-08, 11:04 AM   #10
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Quote:
Originally Posted by ExTrEmE99 View Post
I think next time i order from sewell i will stock up on some batterys and store them in the car. I got a quick question:


When the fob dies, i know you have to use the metal key to get into the car but i cant turn the metal key in the hole under the door. ANY special trick?
Might be a little corrosion in the lock mechanism. Just my guess, let the dealer check it out on your next service. Possible salt air living in SF with the Pacific nearby. Maybe spray a little WD 40. You can purchase those CR batteries at Radio Shack, Wal-Mart, Target etc. Save money not buying it from the dealer.
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Old 03-29-08, 11:06 AM   #11
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How much do Lexus dealerships charge for battery replacement for the FOB?
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Old 03-29-08, 11:26 AM   #12
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Quote:
Originally Posted by TRDCorolla View Post
How much do Lexus dealerships charge for battery replacement for the FOB?
My dealer changed mine for free as a courtesy. People on the forum have reported paying as much as $12 at their dealer. They are available for a fraction of that on eBay.
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Old 03-29-08, 11:31 AM   #13
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Would you happen to know the exact battery number or model number to get? NVM, found it:

CR1616
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Old 03-29-08, 11:33 AM   #14
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the fob uses CR1632, not easy to find at regular stores.....

Just order them from ebay, avg cost ~$2......
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Old 03-29-08, 11:40 AM   #15
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The Energizer version has the "E" in front of it as shown here:

http://cgi.ebay.com/Energizer-cr1632...QQcmdZViewItem

It's the same right? They have it labeled as "ECR1632" on the package.

At this rate, we should change our batteries every year.
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