2009 Dodge Dakota Crew Cab Owner Manual - Page 250

248 STARTING AND OPERATING 1 (First) For driving up very steep hills and for engine braking at low speeds, 25 mph (40 km/h) or less, when going down hill, use 1st gear. To prevent excessive engine speed do not exceed 25 mph (40 km/h) in this range. Overdrive Operation The Overdrive automatic transmission contains an electronically-controlled 4th and 5th (if equipped) gear (Overdrive). The transmission will automatically shift from Drive to Overdrive, if the following conditions are present: • the transmission shift lever is in Drive; • the engine coolant has reached normal operating temperature; • vehicle speed is above approximately 30 mph (48 km/h); • the TOW/HAUL switch has not been activated; • transmission temperature. has reached normal operating NOTE: If the vehicle is started in extremely cold temperatures, the transmission may not shift into Overdrive and will automatically select the most desirable gear for operation at this temperature. Normal operation will resume when the transmission fluid temperature has risen to a suitable level. Refer to "Torque Converter Clutch" in this section.