2004 Lexus LS 430 User Guide - Page 44

KEYS AND DOORS The doors cannot be locked using the smart key system in the following conditions: INFORMATION D Do not put a smart key on the instrument panel, rear package tray or floor, or in the glove box or auxiliary box near the selector lever, which falls outside of the effective range of the smart key system. As the alarm does not sound when a key is left in such a place, you might accidentally lock the doors by pushing the lock button on the outside door handle and be locked out of the vehicle. Be sure to take the smart key with you. D If you have the smart key but bring it very close to the window or outside door handle, the alarm might activate. In this case, keep the smart key a certain distance away from the window or outside door handle and then push the lock button again. D If the smart key is left in the vehicle, attempting to lock the door by pushing in the button located in the inside door handle and holding up the outside door handle will unlock all the doors and activate the alarm for 2 seconds. 11L233a "Key reminder alarm If you push the lock button on the outside door handle with a smart key left in the vehicle, an alarm sounds for 2 seconds and the doors will not lock. Before you push the lock button, make sure you are carrying the smart key. 26