2004 Lexus LS 430 User Guide - Page 30
2004 Lexus LS 430 Manual
Page 30 highlights
KEYS AND DOORS Starting the engine using an engine start flat key 11L220 11L251 NOTICE 1. Remove the engine start flat key from the key case. 2. Insert it into the ignition switch. The flashing security indicator light goes out. This means the engine immobilizer system is automatically canceled. (For details, see "Engine immobilizer system" on page 17.) When using a key containing a transponder chip, observe the following precautions: D When starting the engine, do not use the key with a key ring resting on the key grip and do not press the key ring against the key grip. Doing so may prevent the engine from starting, or may cause the engine to stop soon after it starts. NOTICE D Do not let the key case become bent as the flat keys may fall out or become bent also. D The flat keys are designed for emergency use only, so do not use them regularly instead of the other master keys. 12