2010 Lexus IS 250 Owners Manual - Page 588

5-2. Steps to take in an emergency Manual transmission STEP 1 Shift the shift lever to N and depress the clutch pedal. STEP 2 Touch the Lexus emblem side of the electronic key to the "ENGINE START STOP" switch. An alarm will sound to indicate that the start function cannot detect the electronic key that is touched to the "ENGINE START STOP" switch if any of the doors is opened and closed while the key is touched to the switch. To change "ENGINE START STOP" switch modes: Within 10 seconds of the buzzer sounding, release the clutch pedal and press the "ENGINE START STOP" switch. Modes can be changed each time the switch is pressed. (→P. 142) To start the engine: Press the "ENGINE START STOP" switch within 10 seconds after the buzzer sounds, keeping the clutch pedal depressed. In the event that the engine still cannot be started, contact your Lexus dealer. STEP 3 510