Dodge Ram 2010 Owner's Manual page 301

2 (Second)
This range is for moderate grades and to assist braking
on dry pavement or in mud and snow. Begins at a stop in
low gear with automatic upshift to second gear. Will not
shift to third gear.
1 (First)
This range is for hard pulling at low speeds in mud, sand,
snow, or on steep grades. Begins and stays in low gear
with no upshift. Provides engine compression braking at
low speeds.
Overdrive Operation
The Overdrive automatic transmission contains an elec-
tronically controlled fourth and fifth gear (OVERDRIVE).
The transmission will automatically shift from third gear
to OVERDRIVE if the following conditions are present:
• the shift lever is in DRIVE
• the engine coolant has reached normal operating tem-
perature
• vehicle speed is above approximately 30 mph
(48 km/h)
• the TOW/HAUL switch has not been activated
• the transmission has reached normal operating
temperature
NOTE: If the vehicle is started in extremely cold tem-
peratures, the transmission may not shift into OVER-
DRIVE 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.
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
Temperature Warning Light" may illuminate and the
transmission may downshift out of OVERDRIVE until
the transmission cools down. After the transmission cools
down, the transmission will resume normal operation.
STARTING AND OPERATING 301
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