1999 Buick LeSabre Owner's Manual - Page 73

yellowblue If the SECURITY light comes on for one minute and then shuts off while the ignition is on, the security system has detected a problem with itself. See your dealer for service. If a door or the trunk is opened without the key or remote keyless entry transmitter, the alarm will go off. It will also go off if the trunk lock is damaged. Your vehicle's lamps will flash and the horn will sound for one minute, and then will go off in order to save battery power. Remember, the theft-deterrent system won't activate if you lock the doors with a key or manual door lock. It activates only if you use a power door lock switch with a door open, or the remote keyless entry transmitter. You should also remember that you can start your vehicle with the correct ignition key if the alarm has been set off. You must still shut off the alarm by inserting the key in the door lock, or by pressing the UNLOCK button on the remote keyless entry transmitter. Here's how to avoid setting off the alarm by accident: If you set off the alarm by accident, unlock any door with your key. You can also turn off the alarm by pressing UNLOCK on the remote keyless entry transmitter, if you have it. The alarm won't stop if you try to unlock a door any other way. Testing the Alarm 1. From inside the vehicle, roll down the window. 2. Activate the system by locking the doors with the power door lock switch while the door is open, or with the remote keyless entry transmitter. 3. Get out of the car, close the door and wait for the SECURITY light to go out. 4. Then reach in through the window, unlock the door with the manual door lock and open the door. This should set off the alarm. If the alarm does not sound when it should, but the vehicle's lamps flash, check to see if the horn works. The horn fuse may be blown. To replace the fuse, see "Fuses and Circuit Breakers" in the Index. If the alarm does not sound or the vehicle's lamps do not flash, the vehicle should be serviced by an authorized service center. D If you don't want to activate the theft-deterrent system, lock the door by using the door key or the manual door lock switch. keyless entry system transmitter. Unlocking a door any other way will set off the alarm. D Always unlock a door with a key, or use the remote 2-17