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Old 30th May 2012, 07:26 PM
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Question 4 short beeps on start up from rear...?

....new one to me. A couple of times this week on start up (or perhaps going into reverse?) I have heard 4 short beeps from where I would normally hear the parking sensor tones in the rear of the car. These beeps are NOT the same as the sensor's beeps, and the sensors are still working just fine.

What am I hearing?

Ta,
Zip
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Old 30th May 2012, 07:54 PM
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By a strange coincidence that has happened to me a few times this week when reversing from start. Its not the same tone as the parking sensors.
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Old 30th May 2012, 08:25 PM
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Might be a faulty alarm module or possibly a warning that the batteries in the Alarm Siren are on the way out. . . the rechargeable Ni-MH battery is possibly getting old and can no longer hold it's charge and maintain it's voltage under load
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Old 30th May 2012, 09:14 PM
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Quote:
Originally Posted by Architex_mA8tey View Post
Might be a faulty alarm module or possibly a warning that the batteries in the Alarm Siren are on the way out. . . the rechargeable Ni-MH battery is possibly getting old and can no longer hold it's charge and maintain it's voltage under load
The noise is rather like the chirp from an alarm when being set. (I note the other thread about the absence of light flashes when locking/unlocking - I have no audible indication - is that right?)

Where is the NiMH battery for the alarm?
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Old 30th May 2012, 09:53 PM
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David, I think Jim might have had a similar problem with his old 2.8 while it was sitting on his drive for a while before he sold it, cant find the post, but sure he will be along soon to confirm or otherwise

cheers

edit - found it

http://forum.a8parts.co.uk/showthrea...highlight=beep
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Old 31st May 2012, 05:20 AM
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Yep, I did have this with the 2.8. A good run sorted it in that case, but I do think it was the alarm battery
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Old 31st May 2012, 10:39 AM
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Question

Thanks all. Haven't heard it again this week.

So where are the batteries located? The other thread suggested you can't get spares, but I'd like to see anyway.

Ta.
Zip
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Old 31st May 2012, 10:42 AM
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Internal to the alarm horn unit iirc - Not easily replaceable as you have to start by breaking open the unit.....
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  #9  
Old 31st May 2012, 03:29 PM
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Heres a rather useful thread from Daz G about it showing the insides!
Alarm Horn Battery
Theres a good link to the TT forum about replacing batteries too which is HERE
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20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble
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Last edited by Architex_mA8tey; 31st May 2012 at 03:38 PM.
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Old 31st May 2012, 04:11 PM
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Thanks for that. Looks like it requires investigation into the state of the batteries as, left to their own devices I guess they will render the alarm useless. It also might explain why there is no beep on locking /unlocking - or maybe that has been switched off.

Er, one problem, where IS the alarm module?
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