2003 Lexus SC 430 User Guide - Page 215

STARTING AND DRIVING "ACC" - Accessories such as the radio operate, but the engine is off. If you leave the key in the "ACC" or "LOCK" position and open the driver's door, a buzzer will remind you to remove the key.* If, in an emergency, you must turn the engine off while the vehicle is moving, turn the ignition switch only to "ACC". PARKING BRAKE NOTE: *The volume or interval of beep sound can be changed. Ask your Lexus dealer for details. 31sa06b 31sa05 1 2 "LOCK" - Engine is off and the steering wheel is locked. The ignition key can be removed only at this position. To turn the ignition switch from "ACC" to the "LOCK" position, you must put the transmission selector lever in the "P" position. Once you remove the key, the engine immobiliser system is automatically set. See "Engine immobiliser system" on page 11. When starting the engine, the key may seem stuck at the "LOCK" position. To free it, first be sure the key is pushed all the way in, and then rock the steering wheel slightly while turning the key gently. 197 To set: Fully depress the parking brake pedal. To release: Pull the parking brake release lever. Before leaving your vehicle, firmly apply the parking brake. CAUTION Before driving, make sure the parking brake is fully released and that the parking brake reminder light is off.