1996 Mercury Sable Owner's Manual - Page 166

to confirm the doors are locked, two short horn chirps will warn you that the anti-theft system is not arming. The anti-theft system is designed to work with the factory installed remote entry system. It may not work with other remote entry systems. When you get a single horn chirp by pressing the LOCK button twice within 5 seconds on your remote entry transmitter, you can be assured that all doors are locked and the anti-theft system is arming. Disarming the system An armed or triggered system can be disarmed if you: u Unlock the doors by pressing the remote entry transmitter UNLOCK button. on the keyless entry keypad. u Unlock the doors by entering the unlock code u Unlock any door or the liftgate with a key. u Turn ignition to the ON or ACC position. u Pressing the remote entry PANIC button will disarm the anti-theft system only when the anti-theft alarm is triggered and sounding. When unlocking the vehicle with a key, turn the key all the way to the end of its travel or the system may not disarm. NOTE: the flashing lights and honking horn will shut off automatically within 2 minutes 45 seconds after the system is triggered. It will trigger again if another intrusion occurs. 139