Pontiac 2004 Sunfire Owner's Manual page 71

LOCK: Press this button to automatically lock all doors.
In addition, if all doors and the trunk are closed, the
headlamps will flash once, the interior lamps will turn off,
and the vehicle content theft security system will arm.
See Content Theft-Deterrent on page 2-16.
The following functions are
available with the remote
keyless entry system:
UNLOCK: Press this button to unlock the driver's door.
In addition, the headlamps will flash twice, the interior
lamps will turn on for about 20 seconds or until the
ignition is turned on, and the content theft security
system will disarm. See Content Theft-Deterrent on
page 2-16. If you press this button again within
five seconds, all remaining doors will unlock.
V
(Trunk Release): Press this button to open the
trunk. You can open the trunk with the transmitter when
the vehicle speed is less than 2 mph (3 km/h). The
headlamps will flash twice.
L
(Panic): Press this button to sound the horn and
make the headlamps and interior lamps flash alternately.
They can be turned off by pressing this button again
or by turning the ignition to ON. The alarm will sound for
two minutes unless cancelled by the driver.
Your dealer can change the settings to disable the
headlamp flash and horn chirp features. Your dealer can
also change the settings to allow the horn to chirp
twice on the first press of the UNLOCK button. See your
dealer for more information.
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