2009 Lexus LS 600h Owners Manual - Page 47

1-3. Opening, closing and locking the doors and trunk n Effective range (areas within which the electronic key is detected) When locking or unlocking the doors The system can be operated when the electronic key is within about 2.3 ft. (70 cm) of an outside door handle. (Only the doors detecting the key can be operated.) When opening the trunk The system can be operated when the electronic key is within about 2.3 ft. (70 cm) of the trunk release button. When starting the hybrid system or changing "POWER" switch modes The system can be operated when the electronic key is inside the vehicle. 48