2008 Lexus GS 460 Owners Manual - Page 121

2-1. Driving procedures n If the engine does not start The immobilizer system may not have been deactivated. (→P. 73) n When the steering lock cannot be released The green indicator light on the "ENGINE START STOP" switch will flash and a message will be shown on the multi-information display. Press the "ENGINE START STOP" switch again while turning the steering wheel left and right. 2 When driving n When the "ENGINE START STOP" switch indicator flashes in amber The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer immediately. n Auto power OFF function If the vehicle is left in the ACCESSORY mode for more than an hour with the shift lever in "P", the "ENGINE START STOP" switch will automatically turn OFF. n Electronic key battery depletion →P. 28 n When the electronic key battery is discharged →P. 440 n Conditions affecting operation →P. 26 n Leak detection pump Several hours after the engine is turned off, you may hear a sound coming from underneath the luggage compartment for several minutes. This is normal operation and does not indicate a malfunction. 123 GS_G_U March 29, 2010 3:11 pm