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Discussion summary
YOUR RESEARCHBattery removal, alarm going off, is this normal?
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Replace battery in this way - key
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Performed · outcome unconfirmed
You guys know lots more about this than I do, but just to add my +1, I have also successfully changed battery in this way - key to first position before disconnect and all is well.
Leading evidence: 'Replace battery in this way - key' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace battery in this way - key' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Replace battery in this way - key
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed
You guys know lots more about this than I do, but just to add my +1, I have also successfully changed battery in this way - key to first position before disconnect and all is well.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
15 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Generation: 20261027T025149Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Wanted to take the battery off my 1999 C2 and when i undid the negative the alarm went off, couldn't stop it so re-connected it. Is there a procedure for removing the battery? Didn't try anything else in case i buggered something up. oh need a new battery, does anyone know the best/cheapest place in Manchester/Stockport? Thanks :?:
Yes it's normal. The alarm system thinks you are trying to nick the battery.
Switch the ignition on (but don't start the engine) before you remove the negative terminal.
The worst bit of the whole thing is that your ear is normally about 6 inches from the siren just as you undo the negative terminal. The ringing in your ears lasts for minutes!
MINNY, YOU ARE NOT WRONG, OH SORRY FOR SHOUTING still got the ringing in my ears, oh so what did i do, put the negative terminal back on, dam thing goes even louder!!!!
When I did what you did, my 2 year old was sleeping so I just started the car with the alarm blaring and drove it a hundred yards down the road until it stopped. By then the wife decided to have a debate with myself about the racket I was causing.
Thank god for 911uk.com... Just been fitting my CTEK trickle charger - only after I'd woken up our baby and burst my eardrums did I think of searching...
You guys know lots more about this than I do, but just to add my +1, I have also successfully changed battery in this way - key to first position before disconnect and all is well. As a precaution having put the key in the ignition I also kept the drivers door open in case the locking had a funny turn (and dropped the drivers window in case I was clumsy enough to accidentally close the door!). Didn't have a problem with the locking as far as I remember but it was worth it for the peace of mind!
HNY all
H
Hi Guys
Any special procedures for re-connecting the battery? - dam alarm still goes off when I start the car after re-connecting it! Any ideas? Does this sound like an electrical fault or a procedure I'm getting wrong?
Cheers
My local tyre place replaced mine. Had one guy remove it and another standing there to put the new one in. Must have worked as alarm didn't go off and no electrical gremlins afterwards. I did know about the position 1 key thing but didn't mention it as I assumed they knew what they were doing....
Hi JD my battery went flat, now on charge. drivers window lowered halfway on its own and now, with battery charged, i can only get it back up to about 2 inches from fully closed.
any ideas? how do you 'reset' them?
thank you
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