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Old 09-12-2016, 06:41 PM   #1
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Questions regarding keyfob battery

Hey!

My 02 boxster s' keyfob appears to be working intermittently when locking/unlocking the doors or doing anything with the 3 buttons.

the red LED on the keyfob blinks with each keypress, so i think the switches are working fine, but i still have to stand around for about a minute pressing the locking button to unlock/lock the car. 1 of every 20 keypresses actually goes through to the car.

is it the battery going flat? the red led seems to light up fine, but im not sure if its supposed to light up brighter.

I read a bit about replacing the keyfob battery, this is what i've gathered, tell me if i've missed anything prior to replacing the battery to avoid any uneccessary costs of getting the key reprogrammed


-needs a new cr2023 battery
-i have to take out the old one and put in the new one in less than 10 seconds otherwise the key will have to be reprogrammed?
-i "might" have to re sync the battery by unlocking the car manually, putting it in the ingition and position 1, then take it out and lock the car in less than 6 seconds?

is this it?

this seems very complicated, i've never had to do this with any of my previous german cars.

Thanks.

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Old 09-12-2016, 06:52 PM   #2
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I swapped a battery out of my keyfob recently, and didn't do it within 10 seconds. I just used the key to manually open/lock the door, and then also pressed the button to lock/unlock the car. Then I started the car and no problems. It didn't seem any different from any other car I've had.
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Old 09-12-2016, 06:53 PM   #3
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If the battery is the issue, all you need do is to replace it. Double check the battery number.

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