91 Boz-If your remote is the three button with a green button and says ELVAT6b on the back, it is probably the Securikey+ system. Here is a cut and paste of how to turn off the autolock ignition function:
PROGRAMMING THE SELECTABLE FEATURES
The SECURIKEY+ system offers a number of selectable features that can be
changed, allowing you to custom fit the system to your customer. The
following is a list of the features that are selectable and can be changed
using the valet switch and any transmitter that is programmed to the system
installed in the vehicle.
FEATURE # FUNCTION 1 CHIRP 2 CHIRPS
1 Headlights on for 20 seconds during disarm ON or OFF
2 Headlights on for 20 seconds during arm ON or OFF
3 Automatic ignition controlled door lock ON or OFF
4 Automatic ignition controlled door unlock ON or OFF
5 Auto unlock driver's door only or all doors Driver's door or
All doors
6 Active or Passive arming Passive or Active
7 Active or Passive door locks Passive or Active
8 Trunk release output - 1 second or latched 1 second or
Latched
9 Panic on lock button or option button Option or Lock
10 Trunk Release Hold - 1 second or 2 presses Hold 1 Sec or
2 Times
To change the selection of any of these features, follow the step by step
programming procedures, and do not allow more then 15 seconds to pass
between any two steps or the system will terminate the programming mode.
There is no need to complete the entire programming sequence. After the
appropriate features have been changed, simply turn the ignition key off to
terminate the programming mode.
Be sure that the SECURIKEY+ system is disarmed, and the lighted valet switch
is in the off (out) position before you begin.
Turn the vehicle's ignition key to the on position.
Press then release the L.E.D. valet switch 6 times.
Immediately turn the ignition key off then back on.
FEATURE 1 LED Flashes 1 Time
1 chirp = Headlights ON During Disarm Horn Chirps either 1 or 2 Times
2 Chirps = Headlights OFF During Disarm
To change the selection, press and release the lock button on the
transmitter, which will be indicated by the appropriate 1 or 2 chirp signal
from the horn. If you do not want to change this feature, simply press and
release the L.E.D. valet switch 2 times to advance to programmable feature
number 2.
FEATURE 2 LED Flashes 2 Times
1 chirp = Headlights ON During Arm Horn Chirps either 1 or 2 Times
2 Chirps = Headlights OFF During Arm
To change the selection, press and release the lock button on the
transmitter, which will be indicated by the appropriate 1 or 2 chirp signal
from the horn. If you do not want to change this feature, simply press and
release the L.E.D. valet switch 2 times to advance to programmable feature
number 3.
FEATURE 3 LED Flashes 3 Times
1 chirp = Ignition controlled door locks ON Horn Chirps either 1 or 2
Times
2 Chirps = Ignition controlled door locks OFF
To change the selection, press and release the lock button on the
transmitter, which will be indicated by the appropriate 1 or 2 chirp signal
from the horn. If you do not want to change this feature, simply press and
release the L.E.D. valet switch 2 times to advance to programmable feature
number 4.
FEATURE 4 LED Flashes 4 Times
1 chirp = Ignition controlled unlock ON Horn Chirps either 1 or 2 Times
2 Chirps = Ignition controlled unlock OFF
To change the selection, press the lock button on the transmitter, which
will be indicated by the appropriate 1 or 2 chirp signal from the horn. If
you do not want to change this feature, simply press and release the L.E.D.
valet switch 2 times to advance to programmable feature number 5.
FEATURE 5 LED Flashes 5 Times
1 chirp = Ignition controlled unlock DRIVER'S DOOR Horn Chirps either 1
or 2 Times
2 Chirps = Ignition controlled unlock ALL DOORS
To change the selection, press the lock button on the transmitter, which
will be indicated by the appropriate 1 or 2 chirp signal from the horn. If
you do not want to change this feature, simply press and release the L.E.D.
valet switch 2 times to advance to programmable feature number 6.
FEATURE 6 LED Flashes 6 Times
1 chirp = PASSIVE ARMING (Automatic Arming) Horn Chirps either 1 or 2
Times
2 Chirps = ACTIVE ARMING (Arm by Remote Only)
To change the selection, press the lock button on the transmitter, which
will be indicated by the appropriate 1 or 2 chirp signal from the horn. If
you do not want to change this feature, simply press and release the L.E.D.
valet switch 2 times to advance to programmable feature number 7.
FEATURE 7 LED Flashes 7 Times
1 chirp = PASSIVE DOOR LOCKS Horn Chirps either 1 or 2 Times
2 Chirps = ACTIVE DOOR LOCKS
To change the selection, press the lock button on the transmitter, which
will be indicated by the appropriate 1 or 2 chirp signal from the horn. If
you do not want to change this feature, simply press and release the L.E.D.
valet switch 2 times to advance to programmable feature number 8.
FEATURE 8 Do not change this feature selection. It should be left in the
factory preset (1 chirp) mode. Press and release the L.E.D. valet switch 2
times to advance to programmable feature 9.
FEATURE 9 LED Flashes 9 Times
1 chirp = Remote Panic / GREEN transmitter button Horn Chirps either 1 or
2 Times
2 Chirps = Remote Panic / LOCK transmitter button
To change the selection, press the lock button on the transmitter, which
will be indicated by the appropriate 1 or 2 chirp signal from the horn. If
you do not want to change this feature, simply press and release the L.E.D.
valet switch 2 times to advance to programmable feature number 10.
FEATURE 10 LED Flashes 10 Times
1 chirp = Trunk Release HOLD GREEN BUTTON 1 SECOND Horn Chirps either 1
or 2 Times
2 Chirps = Trunk Release PRESS GREEN BUTTON 2 TIMES
To change the selection, press the lock button on the transmitter, which
will be indicated by the appropriate 1 or 2 chirp signal from the horn. If
you do not want to change this feature, simply press and release the L.E.D.
valet switch 2 times to exit the programming mode.