1999 Ford Mustang Owner Guide 1st Printing - Page 47

Controls and features To turn speed control off • Press OFF or • Turn off the vehicle ignition. ON OFF Once speed control is switched off, the previously programmed set speed will be erased. To set a speed • Press SET/SET ACC/ SET ACCEL. For RSM speed control to SET operate, the speed ACC control must be ON COAST and the vehicle speed must be greater than 48 km/h (30 mph). If you drive up or down a steep hill, your vehicle speed may vary momentarily slower or faster than the set speed. This is normal. Speed control cannot reduce the vehicle speed if it increases above the set speed on a downhill. If your vehicle speed is faster than the set speed while driving on a downhill, you may want to shift to the next lower gear or apply the brakes to reduce your vehicle speed. If your vehicle slows down more than 16 km/h (10 mph) below your set speed on an uphill, your speed control will disengage. This is normal. Pressing RES/RSM/RESUME will re-engage it. Do not use the speed control in heavy traffic or on roads that are winding, slippery, or unpaved. 47