2010 Dodge Ram 1500 Regular Cab Owner Manual - Page 318

316 STARTING AND OPERATING • the engine coolant (antifreeze) has reached normal Temperature Warning Light" may illuminate and the transmission may downshift out of Overdrive until the operating temperature; transmission cools down. After cool down, the transmis• vehicle speed is above approximately 30 mph sion will resume normal operation. (48 km/h); The transmission will downshift from Overdrive to • the TOW/HAUL switch has not been activated; DRIVE if the accelerator pedal is fully pressed at vehicle • transmission has reached normal operating speeds above approximately 35 mph (56 km/h). temperature. When To Use TOW/HAUL Mode NOTE: If the vehicle is started in extremely cold tem- When driving in hilly areas, towing a trailer, carrying a peratures, the transmission may not shift into Overdrive heavy load, etc., and frequent transmission shifting ocand will automatically select the most desirable gear for curs, press the TOW/HAUL switch. This will improve operation at this temperature. Normal operation will performance and reduce the potential for transmission resume when the transmission fluid temperature has overheating or failure due to excessive shifting. When operating in the TOW/HAUL mode, fifth gear is disrisen to a suitable level. abled and 2-3 and 3-4 shift patterns are modified. If the transmission temperature gets extremely hot, the transmission will automatically select the most desirable gear for operation at this temperature. If the transmission temperature becomes hot enough, the "Transmission