1998 Ford Expedition Owner Guide 1st Printing - Page 113

Driving change for the life of the vehicle. Rear axle lubricant quantities should not need to be checked unless a leak is suspected. Driving on hilly or sloping terrain When driving on a hill, avoid driving crosswise or turning on steep slopes. You could lose traction and slip sideways. Drive straight up, straight down or avoid the hill completely. Know the conditions on the other side of a hill before driving over the crest. When climbing a steep hill, start in a lower gear rather than downshifting to a lower gear from a higher gear once the ascent has started. This reduces strain on the engine and the possibility of stalling. When descending a steep hill, avoid sudden braking. Rapid pumping of the brake pedal will help slow the vehicle and still maintain steering control. When speed control is on and you are driving uphill, your vehicle speed may drop considerably, especially if you are carrying a heavy load. If vehicle speed drops more than 16 km/h (10 mph), the speed control will cancel automatically. Resume speed with accelerator pedal. If speed control cancels after climbing the hill, reset speed by pressing and holding the SET 113