Chevrolet 1998 Prizm Owner's Manual page 85

This device complies with P a r t 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 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
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.
0
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.
0
If
you're still having trouble, see
your
dealer or a
qualified technician for service.
Operation
The following functions are available with the remote
keyless entry system:
LOCK:
All doors will automatically lock when the
LOCK button on the transmitter is pressed. The
taillamps will flash once, to confirm that the doors
have locked. The interior lamps will stay on for two
seconds after all of the doors are closed. The remote
lock function will not work if the key is in the ignition.
UNLOCK: The driver's door will unlock automatically
when the UNLOCK button
on
the transmitter is pressed.
The taillamps will flash twice and the interior lamps will
come on to confirm that the doors have unlocked. If the
unlock button is pressed again within five seconds, all
remaining doors will unlock. The interior lamps will
stay on for 15 seconds or until the ignition is turned on.
If unlock is pressed and no door is opened, the doors
will lock automatically after 30 seconds.