2009 LEXUS RX400h Remote key must be cut and programmed before it will work for your vehicle. Cutting and programming can be performed at an automotive locksmith shop or your local Lexus dealership. There are no onboard programming instructions available for 2009 LEXUS RX400h. If you are unable to find anyone to cut the key for you, we offer a key cutting service for $29.95. Please see the listing in main Lexus Category for more information. This remote key comes with a New battery Installed and is tested for functionality before sending.