2003 Chevrolet Impala Owner's Manual - Page 74

(Remote Alarm): Press this button to activate an alarm. The ignition must be in OFF or ACC for the remote alarm to work. When you press the remote button, the headlamps will flash, the horn will sound repeatedly and your interior lamps will turn on attracting attention if you need it. The alarm will continue until one of the following occurs: The remote alarm button is pressed a second time, the vehicle's ignition is turned to ON or an alarm period of 110 seconds has elapsed. & Transmitter Verification This feature provides feedback that a command has been received by the keyless entry receiver. The headlamps and back-up lamps will flash on every lock and on the first unlock command. The horn will also 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 Personalization on page 2-45. If your vehicle has the optional content theft-deterrent system, the first time the remote unlock is received, three flashes from the headlamps will be seen and chirps will be heard to indicate an alarm condition has occurred since last arming. See Content Theft-Deterrent on page 2- i6. a (Trunk Release): the trunk. Press the button to release Operating the remote keyless entry transmitter may interact with the content theft-deterrent system, if your vehicle has this option. See Content Theft-Deterrent on page 2- 16. 2-5