1997 Ford Aerostar Owner's Manual - Page 77

Clock Controls on Electronic Radios The electronic radios have a built-in clock. For complete operating instructions, refer to the Electronic Sound Systems chapter in this Owner Guide. Ignition Understanding the Positions of the Ignition The positions of the key in the ignition lock cylinder. ACCESSORY allows some of your vehicle's electrical accessories such as the radio and the windshield wipers to operate while the engine is not running. LOCK locks the steering wheel and gearshift lever. LOCK is the only position that allows you to remove the key. The LOCK feature helps to protect your vehicle from theft. If your key is stuck in the LOCK position and will not turn, move your steering wheel left or right until the key turns freely. OFF allows you to shut off the engine and all accessories without locking the steering wheel or the automatic transmission gearshift lever. ON allows you to test your vehicle's warning lights (except the brake system warning light) to 74