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Discussion Starter #1
Looking for some advice.

I had to park on a quite steep hill on Saturday, maybe 20% gradient, noise down. When I locked the car using the buttons on the fob it made a second long beep about 10 seconds after the normal beep that indicates the alarm is set. I assumed that the steep hill had tripped the tow sensor and thought nothing of it. Every since then I've been getting the same behaviour every time I lock the car, over the course of about 2 days now.

Is this likely to be the incline sensor? The dealer thinks it may not have reset properly and that it might rectify itself over the course of a few days.


The dealer also suggested I disconnect the battery to reset everything, but warned that other things might not work if I did that, including the wipers and windows. Not sure why the windows would stop working just cause the battery was disconnected but there you go.


Does anyone have any thoughts about how to reset the system? I've tried pushing the ceiling buttons but they don't seem to do anything, our perhaps I'm doing it wrong.

Do I really need a diagnostic tool to reset this?
Is disconnecting the battery really going to screw up the windows?

Any help appreciated, as always 0:)
 

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Richard, I don't personally own a GT but this what the Maserati Advanced Electronics Manual states about it. I posted all of it so you can read it in context. Does this sound like what your vehicle is doing? :

"Alarm system activation


The alarm system is automatically activated when the vehicle is locked using the
remote control or the passive entry device.
If you lock the doors using the mechanical key, the alarm system is not activated (for
example, to comply with local regulations banning night-time acoustic alarms).
The normal door lock signals are supplemented with the emission of a 1-second beep
that signals activation of the alarm system.
When the alarm system is activated, the red LEDs on the front door panels flash
(deterrence function)
[Here's the part I thought might be applicable for you.]
If at the time of activation of the alarm system, one or more doors or the luggage
compartment lid are not closed, or malfunctioning or a failure of some alarm system
modules is detected, a second beep of 0.5 seconds is emitted to warn the user of the
failure condition."
 

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Replaced my battery last week and had absolutely no issues, so don't be afraid.
I have noticed that the alarm occasionally behaves the same way, but have not been able to establish what it means or if it has any impact on anything ... and nothing in the manual about that ...
 

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Alarm Reset

I had the same issue in my GT 2008, an error message "alarm unavailable" in the painel and one bip sound plus another extra bip sound after lock the door.
To solve it I disconnected the negative cable of the battery, waited 1 or 2 minutes and reconnected it again. The alarm was gone and everything is working fine again.
Thank you.
 

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2009 GTS "alarm unavailable"

FYI -- the alarm has its own battery in the back of the front passenger wheel well under the liner.
 

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FYI -- the alarm has its own battery in the back of the front passenger wheel well under the liner.

@AaronE - Is the secondary battery for the alarm to power the siren (and whatever else) for if the power was cut? Would disconnecting it and reconnecting this particular battery do anything to the alarm system in terms of a reset?
 

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I change my own batteries and never had an issue with things not working when you first turn the car on... If anything the doors or windows may not work for a few minutes but after a quick drive everything works fine.
 

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2009 GTS "alarm unavailable"

@AaronE - Is the secondary battery for the alarm to power the siren (and whatever else) for if the power was cut? Would disconnecting it and reconnecting this particular battery do anything to the alarm system in terms of a reset?


it powers the siren and is actually part of it. unlikely that doing an Italian reset on it would do anything. when it's not connected (or bad) I get "alarm unavailable". when plugged in, it does its chips and alarms.
 
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