1999 Lexus LS 400 Owners Manual - Page 36

KEYS AND DOORS At this time, two beeps sound.* Together with the activation of unlocking, the interior light comes on for 15 seconds if the interior light switch is in "DOOR" position.** However, this function does not work when the ignition key is in the "ON" position. For further information, see "Interior lights" on page 82. You have 30 seconds to open a door after using the wireless remote unlock feature.*** If a door is not opened by then, all the doors will be automatically locked again. Even if the "LOCK" or "UNLOCK" switch is kept pressed in, the locking or unlocking operation is not repeated. Release the button and then push again. NOTE: *The volume of beep sound can be changed. **The interior light can be set not to come on or the duration of lighting can be changed. ***The time before automatic re-locking can be changed. Ask your Lexus dealer for details. 20