To turn off the Smart Entry system on 2011 Rx450h:
Open car and start engine
Press and Hold the "Menu" button on the steering wheel until the vehicle config menue appears between the power dial and speedo
Flicj through the options using up and down scroll button until you reach the "Smart Entry" option; Press select; Select "Off"; Press Select.
The car now doe not look for your Smart Key. To lock and unlock, use the buttons on the Smart Key. Once you are in the car, hold the Smart Key with the Lexus symbol next to the Start Button and press; then Press the Start Button again with your foot on the brake pedal, and the Hybrid Drive will start and show Ready.
