sounds like your trying to change the delay lock...here is a quote out of the owners manual:
DELAY LOCK: The delayed locking option, which
delays the actual locking of the vehicle, can be
enabled or disabled. When DELAY LOCK appears
on the display, press the enter button to move
between OFF and ON. When you have made your
choice, press the MENU button to record your
selection. The initial setting from the factory is ON
DELAY LOCK: The delayed locking option, which
delays the actual locking of the vehicle, can be
enabled or disabled. When DELAY LOCK appears
on the display, press the enter button to move
between OFF and ON. When you have made your
choice, press the MENU button to record your
selection. The initial setting from the factory is ON