Chevrolet Avalanche 2004 Owner's Manual page 103

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Passlock
Your vehicle is equipped with the Passlock
theft-deterrent system.
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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, the fuel system is
disabled and the vehicle will not start.
During normal operation, the security light will turn off
approximately five seconds after the key is turned
to RUN.
If the engine stalls and the security light flashes, wait
about 10 minutes until the light stops flashing before
trying to restart the engine. Remember to release
the key from START as soon as the engine starts.
If the engine does not start after three tries, the vehicle
needs service.
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If the engine is running and the security light comes on,
you will be able to restart the engine if you turn the
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engine off. However, your Passlock
not working properly and must be serviced by your
dealer. Your vehicle is not protected by Passlock
time. You may also want to check the fuse. See
Fuses and Circuit Breakers on page 5-120. See your
dealer for service.
In an emergency, call the Roadside Assistance Center.
See Roadside Assistance Program on page 7-6.
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system is
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at this
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