GMC YUKON DENALI 2000 Manual page 90

Mode 1: All Off (No horn chirps or headlamps and
parking lamps will flash.)
Mode 2: Horn and Lamps (Your headlamps and parking
lamps will flash and your horn will chirp twice to verify
the system is armed using any arming method.)
Headlamps and parking lamps only will flash
when disarming.
Mode 3: Horn and Lamps/Lamps (If you use the keyless
entry transmitter to arm the system, your headlamps and
parking lamps will flash and your horn will chirp twice
to verify that the system is armed. If you use either
the power door lock switch or passive arming, only
your headlamps and parking lamps will flash for
verification.) The headlamps and parking lamps will
flash only when disarming.
Mode 4: Lamps (When your vehicle arms, only
your headlamps and parking lamps will flash for
verification.) The headlamps and parking lamps will
flash only when disarming.
2-20
Driver's Door Alarm Delay
If you open the driver's door using your key, the alarm
will not sound for eight seconds.
Leaving Programming Mode
When programming is done, turn the ignition to OFF
and replace the RADIO fuse (Fuse 17).
R
Passlock
Your vehicle is equipped with the Passlock
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theft deterrent system.
Passlock is a passive theft
enables fuel if the ignition lock cylinder is turned with a
valid key. If a correct key is not used or the ignition lock
cylinder is tampered with, fuel is disabled.
During normal operation, the SECURITY light will go
off approximately five seconds after the key is turned to
the RUN ignition position.
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deterrent system. Passlock