2005 Lexus LS 430 Owners Manual - Page 339

STARTING AND DRIVING If the ignition switch seems to be stuck: To free the ignition switch, perform the following: 31L346a 31L638 When you enter the vehicle carrying a smart key and push the ignition switch, the electronic code in the key is automatically checked as to whether it corresponds to the registered ID code for the vehicle. The key indicator light comes on, the steering column lock is released, and the engine immobilizer system is cancelled. At this time, the security indicator light goes off and you can start the engine when you turn the ignition switch and the key indicator light does not come on. When you turn the ignition switch, turn it slowly and surely. If you turn it quickly, it may become stuck. To free it, see the following "If the ignition switch seems to be stuck". If you push the ignition switch when the smart key is not within the effective range of the smart key system, a warning tone sounds and "Key is not Detected" appears on the display. 2. Be sure to push the ignition switch while turning the steering wheel slightly in either direction, and then turn the switch. 300 1. Push the ignition switch. 31L639