2004 Pontiac GTO Owner's Manual - Page 65

Remote Keyless Entry System Operation The buttons on your key allow you to lock and unlock your doors or unlock your trunk. LOCK: Press this button on the key to lock all the doors, disable the engine, and set the alarm. The vehicle's turn signals will briefly flash. If you prefer to have the turn signals flash accompanied by the horn sounding, the LOCK feature can be changed. See Vehicle Personalization on page 2-32. The LOCK button on the key will not work if the ignition is turned on or if the driver's door is open. UNLOCK: Press this button on the key to unlock the doors. The turn signals will flash twice, and the horn will chirp twice, if selected through vehicle personalization. The interior light will also turn on for a short time. If UNLOCK is pressed once, the driver's door will unlock. If UNLOCK is pressed a second time, or is held down for more than half a second, all the doors will unlock. If you prefer to have all the doors unlock with a single press, the unlock feature can be changed to unlock all doors. See "Two Stage Unlock" under Vehicle Personalization on page 2-32. If the lock system is overloaded as a result of repeated use in a short time interval, the power supply is cut off for about 30 seconds. The door lock system has been designed to make the vehicle horn chirp rapidly five times if it detects a fault in the lock system when the LOCK button is pressed. You should check to see that the doors have locked. When pressing the key buttons, ensure that other keys on the key ring are not between the main key and the vehicle. Other keys can obscure the signal being transmitted to the vehicle. When a button on the key is pressed, it sends a signal to the vehicle. The receiver of the signal is a small rectangle on top of the dashboard, in the center. The receiver is also used to measure sunlight. It is important that the receiver is clean, not covered, and that there are no metal objects close by, as this may block the signals. 2-5