Chevrolet 1997 Monte Carlo Owner's Manual page 64

Leaving Your Vehicle
If you are leaving the vehicle, take your keys, open your
door and set the locks from inside. Then get out and
close the door.
Remote Keyless Entry (If Equipped)
If your Chevrolet has this option, you can lock and
unlock your doors or unlock your trunk from about
3 feet (1 m) up to 30 feet (9 m) away using the remote
keyless entry transmitter supplied with your vehicle.
Your remote keyless entry transmitter operates on a
radio frequency subject to Federal Communications
Commission (FCC) Rules and with Industry and
Science Canada.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this
device may not cause harmful interference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operation.
This device complies with RSS-210 of Industry and
Science Canada. Operation is subject to the following
two conditions: (1) this device may not cause
interference, and (2) this device must accept any
interference received, including interference that may
cause undesired operation of the device.
Changes or modifications to this system by other than an
authorized service facility could void authorization to
use this equipment.
This system has a range of about 3 feet (1 m) up to
30 feet (9 m). At times you may notice a decrease in
range. This is normal for any remote keyless entry
system. If the transmitter does not work or if you have
to stand closer to your vehicle for the transmitter to
work, try this:
0
0
0
0
Check to determine if battery replacement is
necessary. See the instructions that follow.
Check the distance. You may be too far from your
vehicle. You may need to stand closer during rainy
or snowy weather.
Check the location. Other vehicles or objects
may be blocking the signal. Take a few steps to
the left or right, hold the transmitter higher, and
try
again.
If you're still having trouble, see your Chevrolet
dealer or a qualified technician for service.