1998 Buick Century Owner's Manual - Page 88

The operating mode of the Security Feedback unlock feature will be changed when you perform the following sequence with your vehicle's doors closedand the ignition key in RUN: 1 . Press and hold the power door unlock switch. While holding the door unlock switch, press and release the RKE transmitter unlock button. This will initialize the customization mode. Illumination on Remote Activation This featureprovides interior illumination when a remote keyless entry door unlock command is received and executed by your vehicle. Your vehicle's ignition must be off for the Illumination on Remote Activation feature to work. The interior lamps will illuminate until your vehicle's ignition is turned to RUN or until an illumination period of 40 seconds has elapsed.If a door is opened during the illumination period, the timed illumination will be canceled, and the interior lamps will remain on since a door is open. 2. While in the customization mode, the feature will sound the number of chimes corresponding to the current unlock mode. Each additional press of the RKE transmitter unlock button will cause your vehicle to advance the unlock mode by one, starting from the current unlock mode. If cycled beyond unlock Mode 4, the vehicle will enter unlock Mode 1. During this procedure, the feature will sound the number of chimes corresponding to the current unlock mode, providing you with feedback. When the door unlock switch is released, the vehicle will remain in the most recent unlock mode. Disconnecting the vehicle's battery for up to a year will not change the programmed mode of the lock and unlock Security Feedback features. Instant Alarm This featureallows you to activate an alarm by pressing a button on the remote keyless entry transmitter. Your vehicle's ignition must be off for the Instant Alarm to work. When you press the special horn button on the remote keyless entry transmitter, your vehicle's headlamps will flash, the horn will honk repeatedly, and your interior lamps will illuminate, attracting attention if you need it. The alarm will continue until: 1. You press the alarm button on the RKE transmitter a second time. 2. The vehicle's ignition is in RUN. 3. An alarm period of about two minutes has elapsed. 2-12