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how to change battery to an lucas 3txb keyfob?


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hello!

My battery on 3TXB defender keyfob has (probably) run out of juice. Luckily otherone is still working!

Can i change the battery without a problem or do removal of the battery erase all data/kode/progaming my keyfob?

RAVE says that i have 5 min to change battery bfore immobiliser kicks in! Anobody have any 1st hand information?

cheers

Jan

ps: its an 110 300tdi -97my

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Im guessing its the same as a td5.

You have 5 mins to do it from the start of the procedure so make sure you've got the battery and something to prise open the fob ready.

Unlock/disable alarm of vehicle.

Insert key, turn to position II then 0 and remove key.

Remove battery from fob, and press any of the buttons for 5 secs to drain any electrical energy.

Put in new battery and put fob back together.

Press padlock button 4 times next to vehicle to resynchronise then unlock button.

Sorted.

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