Replace battery on key fob
Discussion
Start with the 2 screws at the bottom of the rear face of the ECU. Mine were full of muck such that I couldn't see they were actually screws!
Then slide off the metal sleeve. Then slide out the innards of the key being careful not to drop the buttons on the floor as these are not fixed.
Then undo the 6 smallest screws in the world with the smallest tipped screwdriver in the world (in this case a machined down small watchmakers screwdriver lent to me by AM Derby RIP) to remove the battery cover.
Replace battery - can't remember exactly which CR one it is but it says on it. Reverse all steps to rebuild.
At 5 years I would definitely replace it as mine went at about 4 years, 12 hours after I got back from a trip overseas. If it had gone 12 hours earlier I would have been waiting a long time for a man with the correct battery and the smallest screwdriver in the world before I could drive home form the airport late at night.
Thanks. That looks like the smallest screwdriver ever. I doubt I have that size. Does it give any indication when its about to go out?
How do you use the manual "key" to open the door if its dead? I also have the plastic key fob that came with the car.
(let me know which CR it is if anyone knows so I can order the battery online)
How do you use the manual "key" to open the door if its dead? I also have the plastic key fob that came with the car.
(let me know which CR it is if anyone knows so I can order the battery online)
klee168168 said:
Does it give any indication when its about to go out?
How do you use the manual "key" to open the door if its dead? I also have the plastic key fob that came with the car.
In retrospect I think it would only work when closer than normal to the car when it was about to die but I may have imagined that.How do you use the manual "key" to open the door if its dead? I also have the plastic key fob that came with the car.
The manual key just turns the lock AFAIK but I would imagine the alarm then goes off and you're not going to be able to start the car either.
Plastic key obviously OK if you're at home but do you take it with you whenever you take the car anywhere? I don't.
I think most people in the know change the batteries every 3 years so they don't run into these problems.
On my bmw, when the battery dies, you just pull out the metal key that is embedded in the key fob. You use the metal key to manually open the door. Does the AM work the same way? I see key holes on the door handle.
Is there supposed to be a separate metal key?
Is there supposed to be a separate metal key?
Edited by klee168168 on Sunday 25th November 18:15
klee168168 said:
On my bmw, when the battery dies, you just pull out the metal key that is embedded in the key fob. You use the metal key to manually open the door. Does the AM work the same way? I see key holes on the door handle.
Is there supposed to be a separate metal key?
There is a steel key that will open the door. You will have to get a replacement through an AM dealer.Is there supposed to be a separate metal key?
Edited by klee168168 on Sunday 25th November 18:15
Just buy a watchmakers screwdriver set - can be picked up online or often in cheap shops like Wilko or poundshops for almost no cost. Even a top notch set isn't that expensive online.
CR2032 batteries can also be picked up in sheets of 6 or 8 in the poundshop for £1 - I've not found their life to be materially different from the full price ones sold in normal shops.
CR2032 batteries can also be picked up in sheets of 6 or 8 in the poundshop for £1 - I've not found their life to be materially different from the full price ones sold in normal shops.
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