Car Alarms: Prestige alarm and remote starter, prestige alarm, gmc sierra

Question

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The text above is a follow-up to ...2001 GMC SIerra Truck,the siren goes off and the horn honks and the lights flash

-----Question-----
I have a prestige alarm with remote start also, i have no manual and when i unlock my truck with the remote my alarm goes off, i called Audiovox and they say they cannot help me. i have no idea how the remote works.
-----Answer-----
Please describe what is happening when the alarm
"goes off"? I want to offer you a fix that works.
Please also include the make, model & year of the vehicle.

ALARMTEK
ALARMTEK.net

Answer
The aftermarket alarm seems to be doing it's job.
At least we know it's installed correctly
which is actually a good thing here.

Ok, try this.
Put the key in the ignition, and turn forward
all the way just before cranking. Then within
5 seconds, locate, press and hold in the
valet/overide button, found under the
dash area, (push button, spring loaded)
until the installed LED (the blinking light)
in your dash area goes on solid,
and the siren chirps once.

(Your valet switch might be the toggle
(on/off) type. in this case, key on,
flip switch in opposite direction,
then turn the key off.)

This should reset the alarm, and reset
the grounded relay on the starter wire,
allowing you to start the engine.

At this point, the only thing working would
be the keyless entry from the alarm,
if it came equipped that way.

Just Repeat these steps to place it
back to usable armed mode.
You may get 2 chirps, confirming it,
and the lights may flash twice as well.

That should do it.
If you want to remove it at this point,
take it to your neighborhood installer
for this, or buy the wiring chart
(Go to: www.vehiclewires.com)
for the vehicle, and reverse engineer it wire
by wire, until safely removed.

If it does not work out this way,
you will have to replace the system
with one you know how to operate
and what to expect. Don't want to
get stuck in another bad situation.

Let me know what happens.

Robert Martin/CEO-ALARMTEK
www.CARALARMINSTALLER.com