1997 Ford Expedition Owner's Manual - Page 41

Controls and features your vehicle speed is faster than the set speed while driving on a downhill in Overdrive, you may want to shift to the next lower gear to reduce your vehicle speed. If your vehicle slows downs more than 16 km/h (10 mph) below your set speed on an uphill, your speed control will disengage. This is normal. Pressing RES will re-engage it. Do not use the speed control in heavy traffic or on roads that are winding, slippery, or unpaved. To set a higher speed • Press and hold SET ACCEL. Release the switch when the desired vehicle speed is reached, or • Press and release SET ACCEL. Each press will increase the set speed by 1.6 km/h (1 mph) or • Accelerate with your accelerator pedal, then press SET ACCEL. You may accelerate with the accelerator pedal at any time during speed control usage. Releasing the accelerator pedal will return your vehicle speed to the previously programmed set speed. RES SET ACCEL COAST 42