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If the transmission temperature exceeds normal operating
limits, the transmission controller may modify the trans-
mission shift schedule, reduce engine torque, and/or ex-
pand the range of torque converter clutch engagement.
This is done to prevent transmission damage due to
overheating.
If the transmission becomes extremely hot, the ⬙Transmis-
sion Temperature Warning Light⬙ may illuminate, and the
transmission may operate differently until the transmission
cools down.
During cold temperatures, transmission operation may be
modified depending on engine and/or transmission tem-
perature as well as vehicle speed. This feature improves
warm up time of the engine and transmission to achieve
maximum efficiency. Engagement of the torque converter
clutch (and, for the nine-speed, shifts into 8th or 9th gear),
are inhibited until the engine and/or transmission is warm
(refer to the “Note” under “Torque Converter Clutch” in
this section). Normal operation will resume once the
temperature(s) have risen to a suitable level.
AutoStick
AutoStick is a driver-interactive transmission feature pro-
viding manual shift control, giving you more control of the
vehicle. AutoStick allows you to maximize engine braking,
eliminate undesirable upshifts and downshifts, and im-
prove overall vehicle performance. This system can also
provide you with more control during passing, city driv-
ing, cold slippery conditions, mountain driving, trailer
towing, and many other situations.
Operation
When the gear selector is in the AutoStick position (beside
the DRIVE position), it can be moved forward and rear-
ward. This allows the driver to manually select the trans-
mission gear being used. Moving the gear selector forward
(-) triggers a downshift and rearward (+) an upshift. The
current gear is displayed in the instrument cluster.
In AutoStick mode, the transmission will shift up or down
when the driver moves the gear selector rearward (+) or
forward (-), unless an engine lugging or overspeed condi-
tion would result. It will remain in the selected gear until
another upshift or downshift is chosen, except as described
below.
252 STARTING AND OPERATING
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