Passlock (U. S. Only); Testing The Alarm - Chevrolet 2010 Colorado Owner's Manual

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If a locked door is not opened using the RKE transmitter,
®
or by OnStar
, the pre-alarm will go off. If the engine
is not started or unlock not pressed within 10 seconds,
the front turn signal lamps will flash for two minutes,
and the horn will sound for two minutes, then will turn
off to save the battery power.
Remember, the theft-deterrent system will not activate
if you lock the doors with a key, the manual door lock,
or power door lock switch. The system can only be
activated using the RKE transmitter, or by OnStar
See the OnStar Owner's Guide for additional information.
You should also remember that you can start your vehicle
with the correct ignition key if the alarm has been set off.
Here is how to avoid setting off the alarm by accident:
If you do not want to activate the theft-deterrent
system, the vehicle should be locked with the
door key after the doors are closed.
Always unlock a door with the RKE transmitter.
Unlocking a door any other way will set off the
alarm.
If you set off the alarm by accident, you can turn off
the alarm by pressing unlock on the RKE transmitter.
The alarm will not stop if you try to unlock a door
any other way.

Testing the Alarm

To test the alarm:
1. From inside the vehicle, activate the system by
locking the doors with the RKE transmitter.
2. Unlock the door with the manual door lock and
open the door. This should set off the alarm.
3. To turn the alarm off, press the unlock button on
the RKE transmitter or start the engine.
®
.
If the alarm does not sound when it should but the lights
flash, check to see if the horn works. The horn fuse
may be blown. To replace the fuse, see Fuses
and Circuit Breakers on page 6-108.
If the alarm does not sound or the front turn signal
lamps do not flash, see your dealer/retailer for service.
Passlock
®
Passlock
is a passive theft-deterrent system that
enables fuel if the vehicle is started with a valid key.
If an incorrect key is used or the ignition lock cylinder is
tampered with, the fuel system is disabled and the
vehicle does not start.
The security light turns off approximately five seconds
after the engine is started. See Security Light on
page 4-31.
®
(U. S. Only)
3-13

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