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DRIVE (D)
This range should be used for most city and highway
driving. It provides the smoothest upshifts and down-
shifts, and the best fuel economy. The transmission
automatically upshifts through all forward gears. The
DRIVE position provides optimum driving characteris-
tics under all normal operating conditions.
When frequent transmission shifting occurs (such as
when operating the vehicle under heavy loading condi-
tions, in hilly terrain, traveling into strong head winds, or
while towing heavy trailers), select the ⬙3⬙ range. Under
these conditions, using the ⬙3⬙ range will improve perfor-
mance and extend transmission life by reducing exces-
sive shifting and heat buildup.
If the transmission temperature exceeds normal operat-
ing limits, the powertrain controller will modify the
DRIVE and “3” range shift points. This is done to prevent
transmission damage due to overheating.
During cold temperatures, transmission operation may
be modified depending on engine and transmission
temperature as well as vehicle speed. This feature im-
proves warm up time of the engine and transmission to
achieve maximum efficiency. Engagement of the torque
converter clutch is inhibited until the transmission fluid
is warm (refer to the “Note” under “Torque Converter
Clutch” in this section). During extremely cold tempera-
tures (-16°F [-27°C] or below), operation may briefly be
limited to second gear only. Normal operation will re-
sume once the transmission temperature has risen to a
suitable level.
DRIVE 3 (3)
This range eliminates shifts into fourth gear. The trans-
mission will operate normally in first and second gear.
Shifts into third may be delayed to provide second gear
operation at higher speeds. Using the ⬙3⬙ range while
operating the vehicle under heavy operating conditions
302 STARTING AND OPERATING
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