2006 Lexus GS 300 Owners Manual - Page 999

STARTING AND DRIVING Steering lock The steering wheel is locked when the engine switch is turned to "OFF" from "ACC" or "IG−ON" mode and any door is opened. When the steering lock is activated, you may hear a sound coming from the steering column, it is not a malfunction. If you select the "OFF" mode while any door is open, the steering wheel is not locked until it is closed. If you select the mode other than "OFF" or start the engine, the steering lock is disabled. If there is trouble somewhere in the steering lock system, either of the following warning messages will appear on the multi−information display. D S/T IS NOT UNLOCKED D CHECK S/T LOCK When pushing the engine switch while the brake pedal is depressed, the steering lock is not unlocked if load is applied to the steering wheel, and the above message appears. The engine will not start. At this time, the master warning light comes on and the engine switch indicator light blinks green. G31045 353