Ram Trucks 2007 3500 (Diesel) - Manual (Page 294)

NOTE: If the vehicle is started in extremely cold tem-
peratures, 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 also to the Note under
torque converter clutch, later in this section.
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 TRANS TEMP light
may illuminate. After cool down, the transmission will
resume normal operation.
The transmission will downshift from Overdrive to Drive
if the accelerator pedal is fully depressed at vehicle
speeds above approximately 35 mph (56 km/h).
When To Use “TOW HAUL”
When driving in hilly areas, towing a trailer, carrying a
heavy load, etc., and frequent transmission shifting oc-
curs, press the “TOW HAUL button once to select TOW
HAUL. In TOW HAUL mode, 4th to 5th gear upshifts are
1 — Tow/Haul Switch
2 — AUTO-6 (ERS) Switch
294 STARTING AND OPERATING