Ahh, here we go again, from the manual:
"Using The Panic Alarm
To turn the Panic Alarm feature on or off, press and hold
the PANIC button on the RKE transmitter for at least one
second and release. When the Panic Alarm is on, the
headlights will turn on, the park lights will flash, the
horn will pulse on and off, and the interior lights will
The Panic Alarm will stay on for three minutes unless
you turn it off by either pressing the PANIC button a
second time or drive the vehicle at a speed of 15 mph
(24 km/h) or greater.
• The interior lights will turn off if you cycle the ignition
switch to the ACC or ON/RUN position while the
Panic Alarm is activated. However, the exterior lights
and horn will remain on.
• You may need to be less than 35 ft (11 m) from the
vehicle when using the RKE transmitter to turn off the
Panic Alarm due to the radio frequency noises emitted
by the system."