1997 Ford Aerostar Owner's Manual - Page 173

RWARNING Never leave your vehicle unattended while it is running. R (Reverse) With the gearshift in the R (Reverse) position, the vehicle will move backward. You should always come to a complete stop before shifting into or out of R (Reverse). N (Neutral) With the gearshift in the N (Neutral) position, the vehicle can be started and is free to roll. Hold the brake pedal down while in this position. RWARNING Do not leave the vehicle unattended with the transfer case in the N (Neutral) position. Always set the parking brake fully and turn off the ignition when leaving the vehicle. With the transfer case in N (Neutral), the vehicle is free to move with either the automatic transmission in P (Park) or with the manual transmission in any driving gear. Driving (4R44E Transmission) When to use j (Overdrive) This is the normal driving position. As the vehicle picks up speed, automatic upshifts to second, third and fourth gears will occur when j Overdrive is chosen on the selector and the transmission control switch has not been pressed. The transmission will shift into the correct gear when the right speed is achieved, for the accelerator pedal position you have chosen. 173