1998 Oldsmobile Aurora Owner's Manual - Page 86

Ignition Positions C I LOCK (B): This is the only position in which you can remove the key. This position locks your ignition, steering wheel and transaxle. It's a theft-deterrent feature. OFF (C): This position lets you turn off the engine but still turn the steering wheel. It doesn't lock the steering wheel like LOCK and it doesn'tsend any electrical power to the accessories. Use OFF if you must have your vehicle in motion while the engine is not running. A E RUN (D): This is the position that the switch returns to after you start your engine and release the switch. This is the position for driving. Even when the engine is not running, you can use RUN to operateyour electrical power accessories and to display some instrument panel warning lights. With the ignition key in the ignition,you can turn the switch to fivepositions: ACCESSORY (A): In this position you can operate your electrical power accessories. Press in the ignition switch as you turn the top of it toward you.