2001 Chevrolet Impala Owner's Manual - Page 80

Operation Press UNLOCK once to unlock the driver's door and to turn on the interior lamps. (See "Illumination on Remote Activation" in the Index for more details). Panic Alarm Button This feature allows you to activate an alarm by pressing a button on the remote keyless entry transmitter. The ignition must be in OFF or ACC for the instant alarm to work. When you press the horn button on the remote keyless entry transmitter, the headlamps will flash, the horn will sound repeatedly and your interior lamps will illuminate attracting attention if you need it. The alarm will continue until one of the following occurs: D You press the alarm button on the remote keyless entry transmitter a second time, D the ignition is in ON or D an alarm period of 110 seconds has elapsed. Pause for about one second, then press UNLOCK again within five seconds to unlock the passengers' doors. To lock all doors, press LOCK. To release the trunk, press the trunk symbol on the remote keyless entry transmitter. The shift lever must be in PARK (P) for this to work. Operating the remote keyless entry transmitter may interact with the content theft-deterrent system (if the vehicle has this option). See "Content Theft-Deterrent System" in the Index. Transmitter Verification (If Equipped) This feature provides feedback to the holder of the remote keyless entry transmitter that a command has been received by the keyless entry receiver. The headlamps and back-up lamps will flash on every lock and the first unlock command, and the horn will sound once for every lock and twice for the first unlock command. Silent operation and other options may be selected for this feature (see "Vehicle Customization Settings" in the Index). 2-10