2004 Lexus LX 470 Owners Manual - Page 29
2004 Lexus LX 470 Manual
Page 29 highlights
KEYS AND DOORS Flat key Starting the engine using a flat key 11g039c 11x022b As a transponder chip is built in its key case, you can start the engine with this key. The flat key works in every lock. A transponder chip for the engine immobilizer system has been placed in the key case of the flat key. This chip is required for the system to function correctly, so be careful not to lose this key. If you make your own duplicate key, you will not be able to cancel the system or start the engine. Insert your key plate in its key case as shown. We recommend that you always carry this with you for emergency use. Do not leave it in your vehicle. 1. Remove the key plate from the key case. 2. Insert the key plate into the ignition switch. The indicator light keeps flashing. 3. Bring the key case closer to the ignition switch within 10 seconds as indicated by the arrow head. The indicator light goes out. This means the engine immobilizer system is automatically canceled. (For details, see "Engine immobilizer system" on page 11.) You can put the key case away then. You cannot cancel the engine immobilizer system if 10 seconds have passed after you inserted the key plate. You need to remove the key plate from the ignition switch and try it again from the step 2. 4. Start the engine within 60 seconds after the security indicator light goes out. You cannot start the engine if 60 seconds have passed after the security indicator went off. You need to remove the key plate from the ignition switch and try it again from the step 2. 9