From the Owners Guide Escape 2008:
Illuminated entry
The interior lamps and puddle lamps (if equipped) illuminate when the
Integrated Keyhead Transmitter or the keyless entry system keypad is
used to unlock the door(s).
The illuminated entry system will turn off the interior lights if:
• the ignition is turned to the 3 (RUN) position, or
• the Integrated Keyhead Transmitter lock control is pressed, or
• the vehicle is locked using the keyless entry keypad (if equipped), or
• after 25 seconds of illumination.
The inside lights will not turn off if:
• they have been turned on with the dimmer control, or
• any door is open.
Perimeter lamps illuminated entry
With the Integrated Keyhead Transmitter system, the following items will
illuminate when the (unlock) control on the transmitter is pressed:
• Head lamps
• Park lamps
• Tail lamps
The lamps will automatically turn off:
• if the ignition switch is turned to the 3 (RUN) position, or
• the IKT (lock) control is pressed, or
• after 25 seconds of illumination.
Note: On some vehicles, the perimeter lamps illuminated entry feature
will not activate in daylight conditions.