1997 Ford Aerostar Owner's Manual - Page 230

If you disconnect the battery, the engine must "relearn" its idle conditions before your vehicle will drive properly. To find out how the engine does this, see Battery in this chapter. Working with the engine off: 1. Set the parking brake fully and make sure that the gearshift is securely latched in P (Park). Remove the key from the ignition after you turn the engine off. Block the wheels. This will prevent your vehicle from moving unexpectedly. Set the parking brake fully and make sure that the gearshift is securely latched in P (Park). Block the wheels. This will prevent your vehicle from moving unexpectedly. RWARNING Do not start your engine with the air cleaner removed and do not remove it while the engine is running. 2. 3. Working with the engine on: 1. 2. Opening the Hood 1. Pull the hood release handle, located next to the parking brake pedal. 231