2009 Lexus GS 350 Owners Manual - Page 147

1-6. Theft deterrent system Immobilizer system The vehicle's keys have built-in transponder chips that prevent the engine from starting if the key has not been previously registered in the vehicle's on-board computer. Never leave the keys inside the vehicle when you leave the vehicle. The indicator light flashes after the "ENGINE START STOP" switch has been turned OFF to indicate that the system is operating. n System maintenance The vehicle has a maintenance-free type of immobilizer system. n Conditions that may cause the system to malfunction l If the grip portion of the key is in contact with a metallic object. l If the key is in close proximity to or touching a key to the security system (key with a built-in transponder chip) of another vehicle. n Certifications for the immobilizer system For vehicles sold in the U.S.A. FCC ID: NI4TMIMB-1 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 84 GS_G_U (OM30B43U) March 8, 2010 10:20 am