Cadillac 2000 Catera Owner's Manual page 73

The average range of this system is about 30 feet (9 m).
At times you may notice a decrease in range. This is
normal for any remote keyless entry transmitter. If the
transmitter does not work or if you have to stand closer
to your vehicle for the transmitter to work, try this:
D
Check the distance. You may be too far from your
vehicle. You may need to stand closer during rainy
or snowy weather.
D
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.
D
Check to determine if battery replacement or
resynchronization is necessary. See the instructions
that follow.
D
If you're still having trouble, see your dealer or
a qualified technician for service.
2-8
Operation
Pressing this button again within five seconds will unlock
the other doors. Pressing this button will also disarm the
-
optional theft deterrent system and turn on the interior
lamps (for approximately 20 seconds).
When you press this symbol to lock the doors
(including the fuel door), the parking lamps will blink
once. This also arms the optional theft
Press this symbol to open the trunk.
Press this button to unlock the fuel door.
When you press
this symbol to unlock
the driver's door, the
parking lamps on your
vehicle will blink
twice. The parking
lamps and headlamps
will remain on for
about 20 seconds.
-
deterrent system.