164 alarm issues

["Zacharey Cox (Siemens Business Services Inc)" <v-ntxzco@domain.elided>]

Hey folks, I'm sure this has been covered before, but....

My 164 has been sitting in storage in a friends garage since October.
I've driven it a few times since but there was a 3 month period recently
where I did not start it or charge the battery.  A few weekends ago I
went to start it & the battery was dead.  A couple hours on the charger
was enough to start it, although the battery was obviously not supplying
the normal amount of power to the starter & the engine spun slower than
normal.  I let it idle for a while, then took it out for about a 90min
drive.  I parked it w/o putting the battery on the charger & it sat for
3 weeks.

I went to go check on it yesterday & the battery was totally dead this
time.  I opened the door & heard the alarm chirp a few times, kind of
sick sounding though.  Then it just started this long constant drone
that was incredibly irritating.  I disconnected the battery completely,
still heard the alarm going off!  I hooked the battery up again, alarm
went off for a bit, then back on.  I plugged in the charger & noticed
the front seats raised themselves to the full vertical height & the
motors were trying their hardest to push the seats past their stops.  I
also heard some sort relays clicking near the gauges, & other stuff
happening.  I disconnected the battery & all the racket stopped.  The
alarm is still going off at this point.  I start removing the trunk
carpeting on the passenger side & find there is a keyhole for the alarm.
The manual says you need an 'alarm key' to turn off the alarm manually.
Of course I don't have one of these.  I remove the plastic cover over
the siren & find a big plug going into it, cool, I can turn this dang
thing off finally.  After wrestling with the impossible plug for a few
minutes I finally unplug it.  The siren is still sounding!!!!!  I figure
it's self powered.  I take the siren out & start disassembling it.
There are a couple of battery packs made from coin batteries that are
hard wired to the circuit board & speaker.  I cut the two wires to the
speaker.  It finally stopped ;-)

So, my question is:  What's the next step?  Make sure the battery is
topped off with enough distilled water & fully charged & then put the
siren back together?  What about all seats & relays wigging out?  Are
the alarm keys available anymore?  I'm going back up there tonight to
see if I can sort things out.  Any input would be appreciated.

Thanks,
Zach
Redmond, WA

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