Door lock and alarm

[Aaron Rosenstein]

Not much on this system in the Bentley books, I was having the same
problem too but since I had an aftermarket keyless entry system
installed the alarm has not worked unless I use my key to lock the car.
Any ideas why that is? I agree with the prior post about the wires in
the driver's door. Our Saab did the same thing on and off for years,
including some other odd things related to the windows, leading us to
check the wiring harness. That was indeed the problem, though not an
easy to repair one...
 
Off subject, after exhausting all options and replacing everything I
could find, my pictogram display in the instrument cluster finally went
completely haywire and showed nearly every error code in the book. I
simply removed the bulbs for the red and yellow from the back of the
cluster and put some tape over the beeper and I don't have to deal with
it anymore.