2006 Lexus LS 430 Owners Manual - Page 110

2-1. Driving procedures n Starting the engine using the flat key (Standard) Remove the flat key from its case. Insert the flat key into the ignition switch. Bring the key case close to the ignition switch within 10 seconds as indicated by the arrow. Put the key case away when the indicator light goes out. When the light goes out, this means the engine immobilizer system has turned off. Start the engine within 10 seconds after the indicator light goes off. n Leak detection pump Approximately five hours after the engine is turned off, you may hear sound coming from underneath the luggage compartment for several minutes. This is normal operation and does not indicate a malfunction. (→For your information) CAUTION n When starting the engine Always start the engine while sitting in the driver's seat. Do not press the accelerator while starting the engine under any circumstances. Doing so may cause an accident resulting in death or serious injury. 96