2006 Lexus IS 350 User Guide - Page 25

1-2. Opening, closing and locking the doors and trunk n Electronic key battery depletion l The standard battery life is 1 to 2 years. (The battery becomes depleted even if the electronic key is not used.) If the smart access system with push-button start or the wireless remote control function does not operate, or the detection area becomes smaller, the battery may be depleted. Replace the battery when necessary. (→ P. 293) l To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of the following electrical appliances TVs Personal computers Recharging cellular phones or cordless phones Table lamps n To operate the system properly Make sure to carry the electronic key when operating the system. Do not get the electronic key too close to the vehicle when operating the system from the outside of the vehicle. Depending on the position and holding condition of the electronic key, the key may not be detected correctly and the system may not operate properly. (The alarm may go off accidentally, or the door lock prevention may not function.) n Note for the entry function l The doors may unlock if a large amount of water splashes on the door handle, such as in the rain or in a car wash. (The doors will automatically be locked after approximately 30 seconds if the doors are not opened and closed.) l Gripping the door handle when wearing a glove may not unlock the door. l If the wireless remote control is used to lock the doors when the electronic key is near the vehicle, there is a possibility that the door may not be unlocked by the entry function. (Use the wireless remote control to unlock the doors.) n When the vehicle is not driven for extended periods To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the vehicle. n Security feature If a door is not opened within approximately 30 seconds after the vehicle is unlocked, the anti-theft system automatically locks the vehicle again. 8