1996 Ford Aerostar Owner's Manual - Page 170

useful. However, shift back to j (Overdrive) whenever practical for optimum powertrain cooling and fuel economy. This can be accomplished by pushing the transmission control switch again, to cancel the OVERDRIVE OFF control and light. When to use 2 (Second) With the gearshift in the 2 (Second) gear position more engine braking is provided. Use 2 (Second) gear to drive up moderately steep grades, to start up slippery roads, or to provide moderate engine braking on downgrades. DO NOT GO FASTER THAN 55 mph (88 km/h) IN THIS GEARSHIFT POSITION. When to use 1 (Low) With the gearshift in the 1 (First) gear position maximum engine braking is provided. This position provides 1 (First) gear operation only with no automatic upshifts. To obtain upshifts the gearshift must be moved out of this position. Use 1 (First) gear to drive up steep grades, or to provide maximum engine braking on downgrades. 189