2008 Lexus IS 250 Owners Manual - Page 119

2-1. Driving procedures n If the engine does not start The engine immobilizer system may not have been deactivated. (→P. 72) 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 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 fully discharged →P. 325 n Conditions affecting operation →P. 26 n Note for the entry function →P. 29 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. n Stopping the engine in an emergency If you want to stop the engine in an emergency while driving the vehicle, push and hold the "ENGINE START STOP" switch for more than 3 seconds. However, do not touch the "ENGINE START STOP" switch while driving except in an emergency. If the engine stops while the vehicle is being driven, this could lead to an unexpected accident. 120