Testing the Alarm
Passlock
The alarm can be tested by following these steps:
Your vehicle is equipped with the Passlock
theft-deterrent system.
1.
From inside the vehicle, lower the driver’s window
and open the driver’s door.
Passlock is a passive theft-deterrent system. Passlock
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.
2.
Activate the system by locking the doors with the
power door lock switch while the door is open, or
with the remote keyless entry transmitter.
If the engine stalls and the SECURITY message flashes,
wait until the light stops flashing before trying to restart
the engine. Remember to release the key from START
as soon as the engine starts.
3.
4.
Get out of the vehicle, close the door and wait for the
SECURITY message to go out.
Then reach in through the window, unlock the
door with the manual door lock and open the door.
This should set off the alarm.
If the engine is running and the SECURITY message
comes on, you will be able to restart the engine if you turn
the engine off. However, your Passlock system is not
working properly and must be serviced by your dealer.
Your vehicle is not protected by Passlock at this time. You
may also want to check the fuse (see “Fuses and Circuit
Breakers” in the Index). See your dealer for service.
If the alarm does not sound when it should but the
vehicle’s headlamps flash, check to see if the horn
works. The horn fuse may be blown. To replace the fuse,
see “Fuses and Circuit Breakers” in the Index.
If the alarm does not sound or the vehicle’s headlamps
do not flash, the vehicle should be serviced by an
authorized service center.
In an emergency, call the GM Roadside Assistance
Center. See “Roadside Assistance” in the Index.
2-15
| Categories | GMC Manuals, GMC Yukon Manuals |
|---|---|
| Model Year | 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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