2005 Chevrolet Impala Owner's Manual - Page 176
2005 Chevrolet Impala Manual
Page 176 highlights
Press the customization button until EXIT LIGHTING appears on the DIC display. Press the set/reset button to access the settings for this feature. Then press the customization button to scroll through the following choices: OFF: The exterior lamps will not turn on. 30 SECONDS (default): The exterior lamps will stay on for 30 seconds. 1 MINUTE: The exterior lamps will stay on for one minute. 2 MINUTES: The exterior lamps will stay on for two minutes. NO CHANGE: No change will be made to this feature. The current setting will remain. Select one of the available choices and press the set/reset button while it is displayed on the DIC to select it. Press the customization button until APPROACH LIGHTING appears on the DIC display. Press the set/reset button to access the settings for this feature. Then press the customization button to scroll through the following choices: OFF: The exterior lights will not turn on when you unlock the vehicle with the remote keyless entry transmitter. ON (default): If it is dark enough outside, the exterior lights will turn on briefly when you unlock the vehicle with the remote keyless entry transmitter. The lights will remain on for 20 seconds or until the lock button on the remote keyless entry transmitter is pressed, or the vehicle is no longer off. See Remote Keyless Entry System Operation on page 2-4 for more information. NO CHANGE: No change will be made to this feature. The current setting will remain. Select one of the available choices and press the set/reset button while it is displayed on the DIC to select it. APPROACH LIGHTING This feature allows you to select whether or not to have the exterior lights turn on briefly during low light periods after unlocking the vehicle using the remote keyless entry transmitter. 3-56