Chevrolet MONTE CARLO 1998 Manual page 71

Parking Lots
If you park in
a
lot where someone will be watching
your vehicle, it's best to lock it up and take your keys.
But what if you have to leave your ignition key?
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If possible, park in a busy, well lit area.
Put your valuables in a storage area, like your
trunk or glove box. Be sure to close and lock the
storage area.
Close all windows.
Lock the glove box.
Lock a l l the doors except the driver's.
Then take the door key and remote keyless entry
transmitter with you.
PASS-Key@ I1
Your vehicle is equipped
with the PASS-Key I1
(Personalized Automotive
Security System)
theft-deterrent system.
PASS-Key 1 1 is a passive
theft-deterrent system.
It works when you insert
or remove the key from
the ignition.
PASS-Key 1 1 uses a resistor pellet in the ignition key
that matches a decoder in your vehicle.
When the PASS-Key 1 1 system senses that someone is
using the wrong key, it shuts down the vehicle's starter
and fuel systems. For about three minutes, the starter
won't work and fuel won't go to the engine. If someone
tries to start your vehicle again or uses another key
during this time, the vehicle will not start. This
discourages someone from randomly trying different
keys with different resistor pellets in an attempt to
make a match.