2009 Dodge Ram 3500 Pickup Owner Manual - Page 397

STARTING AND OPERATING 395 WARNING! Any work done to the vehicles electrical system, or wiring, should be performed by a qualified automotive technician, if done improperly it may cause damage to the electrical system wiring and could result in serious or fatal injury. Towing Tips Before setting out on a trip, practice turning, stopping and backing the trailer in an area away from heavy traffic. Automatic Transmission The "DRIVE" range can be selected when towing. However, if frequent shifting occurs while in this range, the "TOW HAUL" or "OD/OFF" range should be selected. NOTE: Using the "TOW HAUL" or "OD/OFF" range while operating the vehicle under heavy operating conditions will improve performance and extend transmission life by reducing excessive shifting and heat build up. This action will also provide better engine braking. The automatic transmission fluid and filter should be changed if you REGULARLY tow a trailer for more than 45 minutes of continuous operation. Refer to the "Maintenance Schedule" in Section 8 for the proper maintenance intervals. NOTE: Check the automatic transmission fluid level before towing. Tow/Haul - If Equipped To reduce potential for automatic transmission overheating, turn the "TOW HAUL OD/OFF" feature ON when driving in hilly areas or shift the transmission to Drive position 2 on more severe grades. 5